Heredity is the passing on of traits from parents to their offspring, either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.
Final answer:
Heredity is the biological process by which genes are passed from parents to offspring, ensuring the transmission of species-specific traits and similar characteristics. This inheritance of traits is based on gene theory, where traits are controlled by discrete units called genes, not through a blending of traits as previously thought.
Explanation:
Hereditary Transmission of Traits
The passing on of genetic traits from parents to offspring is a fundamental concept in biology known as heredity. Genes that contain the genetic information are passed along to an organism's offspring, ensuring they belong to the same species and have similar characteristics, such as size and shape. This process is governed by the gene theory, which posits that many living things' characteristics are controlled by genes inherited from their parents. During the early 20th century, the concept of traits being blended from parents to offspring was believed, but this was later disproven with the recognition of DNA as the carrier of genetic information.
Gregor Mendel's pioneering work, which initially went unnoticed, laid the groundwork for modern genetics by demonstrating that traits are not blended but instead are passed on as discrete units, now known as genes. As scientists learned more about DNA and genetics, they concluded that the blending theory was incorrect and that offspring inherit distinct genes from each parent.
It is essential to understand that for variations within a species to be passed on, they must be heritable, and occur in gametes, the sperm or egg cells in sexual reproduction, or, in the case of asexual reproduction, be present in the reproducing cell. Consequently, reproduction plays a paramount role in enabling genetic changes to take root in a population or species, allowing organisms to pass new traits to their offspring.
PLEASE HELP!! 20 POINTS! AND BRAINLIEST!
A team of scientists altered the DNA of Pseudomonas bacteria. The bacteria thus developed had the ability to eat up oil. What could be the likely impact of this biotechnology on the environment and the society?
Toxic gases would be released, causing large-scale pollution.
Damage to marine flora and fauna due to oil spills could be prevented.
The consumption of nonrenewable energy sources would be increased.
The process of oil exploration would become simpler and more economical.
Answer:
B
Explanation:
If it can eat up oil, unleashing a swarm of these on an oil spill could help prevent damage that could be caused to the environment. Plus, we wouldn't need to dump the oil anywhere due to it being consumed.
Answer:
4
Explanation:
Took the flvs.net exam and got it right. Hope this helps you!
All the complex feeding relationships among a number of different organisms make up the _____. ecosystem food chain food web
food chain or the food web is the answer, but im going towards the food chain :))
Answer: food web
Explanation:
A food chain is a linear sequence of transfer of food and energy when one organism is consumed by another organism in an ecosystem. The food web is a complex system in which a network of two or more food chains forms. It forms when organism belonging to one food chain feed upon the organism of other food chain.
Which of the following statements about idea models is not true?
a.
Idea models depict a concept.
b.
Idea models are typically used to predict natural disasters.
c.
Idea models are typically in the form of a graph or equation.
d.
Idea models are used to show the relationship between variables
the correct answer to this question is b
Answer:
The correct answer is the option A.
Explanation:In science, a model is a representation of an idea, an object or even a process or a system that is used to describe and explain phenomena that cannot be experienced directly. Models are central to what scientists do, both in their research as well as when communicating their explanations.Models are a mentally visual way of linking theory with experiment, and they guide research by being simplified representations of an imagined reality that enable predictions to be developed and tested by experiment.
What phase of mitosis is shown in the diagram below
it is anaphase because yesterday i was studying this so yeah plz Brainlist me plz ill invite u to be my friend
Answer:
A. Telophase
Explanation:
When the anaphase ends, the DNA was separated an run towards both poles of the cell. The fibers from the centrosome retract and the nuclear membrane appears.
Also, when he nuclear membrane appears, DNA become descondensed so the Cytokinesis can begin and divide the plasma membrane to obtain the final two cells.
what is true about voltage check all that apply
a.) It is the excess accumulation of electric charge
b.) It is measured in volts.
c.) It is measured in ohms.
d.) It's what makes current flow in a circuit.
e.) It is related to current and resistance by Ohm's Law.
Explanation:
Voltage of a battery is defined as the electric potential energy per charge. It is a scalar quantity. It doesn't has any direction. As per Ohm's law, voltage is given by the product of current and resistance. Its SI unit is volts.
It is responsible for making current to flow in the circuit. In a series combination of resistors, the potential difference across every resistor divides while in parallel combination of resistors, the potential difference across each and every resistor remains the same.
Hence, the correct statements are :
b. It is measured in volts.
d. It's what makes current flow in a circuit.
e. It is related to current and resistance by Ohm's Law.
Answer:
b. It is measured in volts. d. It's what makes current flow in a circuit. e. It is related to current and resistance by Ohm's Law.scientific investigations most often start from observations of the natural world and which of the following?
A) model
B) computers
C) variable
D) questions
The answer should be D.) Questions
because of this, scientists use the scientific method for observations they discover.
What is the BEST word to describe the probability that the spinner will stop on 3 or 4? A) certain B) unlikely C) impossible D) very likely
Answer: very likely
Explanation:
cs i did it
The best word to describe the probability that a spinner will stop on 3 or 4 is very likely. The correct option is D.
What is a probability?Probability is the word that means how often something will happen. It tells about the chance of a thing to happen.
A spinner is something that spins or take rounds like a wheel or fan.
Thus, the correct option is D. very likely.
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A forest ecosystem can support a límited number of bears this is because
There are only so many resources that can be used and if all of them are used they don't have enough materials or food.
Malaria is one of the most common parasitic diseases in the world. It is caused by a protist from the genus Plasmodium and is carried by mosquitoes. When a mosquito carrying this protist punctures a human's skin, it releases sporozoite into the human. The effects on the human's internal environment are shown below.
How does malaria affect the internal environment of the human body?
It kills red blood cells
Malaria affects the internal environment of the human body by destroying red blood cells.
how many species of tiger are there in world
There are about: nine subspecies
Tigers have the species name Panthera tigris. There are nine subspecies of tigers, three of which are extinct. A meeting set to begin in Russia on Sunday (Nov. 21) will examine some of the issues facing tigers in the wild and efforts to better conserve the six surviving tiger subspecies.
ANSWER:
there are basically nine species of tigers: (but some of them went extinct)
- Siberian tiger (aka Amur tiger)
- South china tiger
- Sumatran tiger
- Bengal tiger (aka Indian tiger)
- Bali tiger (extinct)
- Malayan tiger
- Javan tiger (extinct)
- Indo Chinese tiger (aka corbetts tiger)
- Caspian tiger (extinct)
~batmans wife dun dun dun...aka ~serenitybella
Genetic differences between organisms of the same species is known as: A. variation B. behavior C. environment
variation
hope this helps :)
Genetic differences between organisms of the same species are known as Variations. Thus, the correct option is A.
What are Species?Species may be defined as a group of organisms that can reproduce intrinsically with one another and produce fertile offspring.
Genetic variations between organisms of the same species are occurred due to crossing over during meiosis, mutations, or any other environmental factors.
Therefore, the correct option for this question is A.
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Which is responsible for muscle pain felt after repeatedly lifting weights
I found out what causes muscle soreness after workouts. Since the early 20th century, this specific type of muscle soreness, called “delayed onset muscle soreness” (DOMS), was thought to be cause by lactic acid buildup in the muscles during strenuous workouts where your body's oxygen supply is depleted.
Which statement is supported by the cladogram?
A
The tuna does not have a jaws.
B
The salamander does not produce an amniotic egg.
C
The leopard does not walk on four legs.
D
The lamprey does not have a vertebral column.
Disclaimer:
The question is which statement is supported by the cladogram. This does not mean the answer is correct. The test providers want to see if you can understand the cladogram!
Answer:
B) Tuna does not have jaws
Disclaimer:
Tuna does have jaws but according to the cladogram, they do not!
Without specific details of the cladogram, the most likely correct statement is about the lamprey not having a vertebral column. This is typical for lampreys, which are part of the Agnatha class characterized by jawless fish without vertebral columns.
Explanation:The cladogram is a diagram typically used in biology to show relations among organisms. To determine the answer, one would need to examine the specifics of the cladogram presented. In most cladograms, it is common to find that:
Tuna are commonly portrayed as having jaws because they fall under the Gnathostoma class, which is characterized by jawed vertebrates. The salamander does not produce an amniotic egg; instead, most salamanders either lay eggs or give live birth in the water. Leopards, as mammals, are typically depicted to walk on four legs in the cladogram. The lamprey does not possess a vertebral column; lampreys are part of the Agnatha class, which is characterized by jawless fish without vertebral columns.
Therefore, without the specifics of the cladogram in question, the most generally correct statement would be D: The lamprey does not have a vertebral column.
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ecological succession is a change in the________ ecological community
A change in species structure
what is solar energy
solar energy is energy that is produced from the sun and is "caught" in solar panels
Solar energy is energy that is produced using the sun's rays.
In the pea plant, the allele for green pod color (G) dominates the allele for the yellow pod color (g). The Punnet square illustrates a cross for this trait. Which offspring can be described by these genotypes and phenotypes?
the color of the pea pods will be have a more of a chance to be green due to the fact that there is 75% of the square, because the big G means that it will be that color and if it has (gg) then it will be yellow.
Answer:
a) Homozygous offspring with yellow pod color - gg
b) Homozygous offspring with green pod color - GG
c) Heterozygous offspring with yellow pod color - None
Explanation:
It is given that green pod color (G) is dominant over yellow pod color (g).
Thus, an offspring will have green pod color, when its has heterozygous genotype (Gg) and homozygous dominant genotype (gg). While an offspring will have yellow pod color, only when it has homozygous recessive genotype (gg).
Thus, the offspring with under given phenotypes will have following genotypes -
a) Homozygous offspring with yellow pod color - gg
b) Homozygous offspring with green pod color - GG
c) Heterozygous offspring with yellow pod color - None , a heterogygous offspring will be green in color as green pod color is dominant over yellow pod color.
Hey if someone could help me that would b great! : )
ggigirwogbyigwrigtWRUIfweuirfRIPERUPBGERIugbeRGBU
The density of the egg is more than 1 g/mL because it sinks. If if floated, it would have a density less than that of water.
Hope this helps!
I don't know how to put multiple photos in one question. Anyone help!?
I think its c.
and to add multiple photos just press add attachments and a + will pop up and just press that.
Hope this helps!
What happens to the surface to volume ratio as a cell grows
The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.
As a cell grows in size, its surface area-to-volume ratio decreases due to the cell's volume increasing more rapidly than its surface area. This reduction in ratio can affect the cell's efficiency in nutrient and waste exchange. In multicellular organisms, cell specialization helps mitigate these efficiency issues.
Explanation:As a cell increases in size, the surface area-to-volume ratio decreases. This occurs because the volume of the cell increases faster than the surface area. The surface area of a cell is proportional to the square of its radius, while its volume is proportional to the cube of its radius. Thus, as a cell grows, its volume increases more rapidly than its surface area, resulting in a reduced surface-to-volume ratio.
This reduction in the surface-to-volume ratio can limit the cell's efficiency. If the surface area is unable to support the rate of diffusion required for the increased volume, the cell could struggle to get nutrients in and wastes out efficiently. This is due to the fact that the surface of the cell is where nutrients and wastes exchange occurs.
The solution to sustaining life in larger organisms is for them to become multicellular, allowing for specialization of cells and more efficient exchange of nutrients and waste. For example, some cells specialize in bringing nutrients and removing waste (like circulatory systems) or providing oxygen and removing carbon dioxide (like respiratory systems).
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a bunch of amino acids attached together is called a?
A string of amino acids attached together is called a Polypeptide Chain(S)
It's called an amide bond
A(n) _________ is one of two or more alternate forms of a gene.
An allele is an alternative form of a gene that is located at a specific position on a specific chromosome. An organism which has two different alleles of the gene is called heterozygous.
I need help on number 4 I got it wrong
I believe c is the answer
the may be option D. am not that sure but try that one also
a specfic mutation in a certain animal leads to abnormal development of the heart and kidney, resulting in miscarriage. Why did this happen?
Answer:
These kinds of mutations are referred to as Lethal mutations
Explanation:
This type of mutation deleteriously affects the vital genes that are responsible for the core functions of the body. The heart supplies blood to the body organs for nutrients and oxygen while kidneys filter out toxins and end products of metabolism. Mutations in genes for development of these organs will be deadly.
which specialized organelle is shown
That would be a Chloroplast
The specialized organelle shown is a chloroplast.
The graph above represents what type of tide cycle
Answer:
It would be a semidiurnal tide since that graph would be how a semidiurnal would be.
( needed asap )
Which of the following is the best example of potential energy?
A bowling ball rolling toward the pins
A horse running in an open field
A pitcher preparing to throw a ball
A runner sprinting to the finish line
prob the third one a pitcher preparing to throw a ball cause a horse is moving therefore having kinetic energy
Which of the following relationships correctly defines the situation: Lichen – cyanobacteria produces food for the fungus; fungus provides water and minerals for the cyanobacteria.
A. Commensalism
B. Predation
C. Competition
D. Parasitism
E. Mutualism
The answer is; B
Mutations change the order of nucleotide and therefore affects codons that code for proteins. A different protein is thus produced from the wild type hence creating variations. Genetic shuffling in sexual reproduction, also called gene recombination occurs during meiosis and also when different organisms exchange genetic material such as in bacteria.
how does the endocrine system affect the excetory system?
Answer and Explanation: The endocrine system affects the excretory system by affecting the rate at which excretory cells function. Endocrine cells secrete hormones which regulate the activity of excretory cells through cell signalling.
It sends messages using hormones
(apex)
Most of the rocks we study were formed in what era?
A.Cenozoic
B.Paleozoic
C.Precambrian
D.Mesozoic
B. Paleozoic
Explanation
Rocks were first found and studied in Mesozoic era, era after Cenozoic and before Paleozoic. Rocks of this age was first studied in Paleozoic era. To be specific, Permian period of Paleozoic era was the period where rocks of this age was first studied.
In Devonian and Cambrian period under Paleozoic era, the rocks of this age was also studied. The layers of rock aid in understanding the history of geological events that had occurred.
Test Two: If breed a short fur, Ff female with a short fur, Ff male, then I will expect to see (all short fur some short and some long fur: all long fur) offspring?
(They are hamsters.)
Answer:
some long and some short cause it's taking DNA from both parents