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jolli1 [7]
11 months ago
12

How does the models support the idea that genetic mutations may arise from environmental factors?

Biology
1 answer:
Vanyuwa [196]11 months ago
7 0

The chemical tags that are attached to DNA, known as the epigenome, can potentially be altered by the environment. These tags change the amount of protein that is produced from the genes by making them more or less active.

  • Traits are frequently influenced by environmental factors rather than genetics. Although not always. Sometimes a gene's DNA sequence or degree of activity is altered by the environment.
  • The proteins that a gene produces can be replaced by either of these effects, which in turn impacts characteristics.
  • The nucleotide sequence of a gene may alter as a result of some harmful environmental influences. DNA strands, for instance, can be damaged by UV light.
  • Certain pollutants, such as those found in plastic and cigarette smoke, can change how DNA bases behave chemically, allowing one DNA base to stand in for another.

To know more about DNA check the below link:

brainly.com/question/16099437

#SPJ4

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Recall that two hydrogen bonds bind A and T, but three hydrogen bonds bind G and C. Because the stability of DNA is affected by
IrinaK [193]

Answer:

A molecule with 32 percent or more amount of Cytosine.

Explanation:

DNA is the genetic material of all the living organism but in few viruses, RNA can also acts as the genetic material. DNA contain nitrogenous bases ( adenine, guanine, thymine and cytosine), deoxyribose pentose sugar and the phosphate bond.

The triple bond is more stable than the double bond. Since, cytosine and guanine shows triple hydrogen bonding and shows more stability. The DNA molecule that contains more residues of guanine and cytosine is stable than the molecule containing adenine and thymine residues.

Thus, the answer is molecule with 32 percent or more amount of Cytosine.

8 0
3 years ago
If brine shrimp eggs were transported on shorebirds feet from a hyper saline lake into a less salty one
blagie [28]
<span> If the Brine Shrimp eggs were transported from a hyper saline lake from a less salty like, they would most likely go into their dormant state and become cyst-like since they are adapted to the salinity levels of their previous environment. In turn, they would not be able to hatch, and then later on, reproduce, in order to expand their population and continue their species. </span>
3 0
3 years ago
1. A man with hemophilia (a recessive, sex-linked condition) has a daughter without
garik1379 [7]

A man with hemophilia (a sex-linked recessive condition) has a daughter without hemophilia, the probability of their children having hemophilia is 50%, out of 4 children probably 2 will have hemophilia and 2 will not have hemophilia.

<h3>What is recessive and dominant?</h3>

The dominant term is related to the genetic transmission of a trait and is represented, in biology, by a capital letter (A, B or V). While recessive, represented by a lowercase letter (a, b or v), they represent genetic traits transmitted only in the absence of the dominant gene.

With this information, we can conclude that Recessive genes produce proteins considered “defective” as they become inactive. That is, they are hidden (recessive) with the presence of a dominant gene manifesting their characteristics in the absence of their dominant allele.

Learn more about Recessive genes in brainly.com/question/15481938

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5 0
2 years ago
Oxidation of lactic acid into pyruvic acid involves (1) coenzymes donating hydrogen atoms to lactic acid.(2) a gain of potential
vazorg [7]

Answer:

The correct answer is option 3. removal of hydrogen atoms from lactic acid.

Explanation:

In anaerobic conditions, it ferments to generate lactic acid. It is two way or reversible process in which oxidation of lactic acid produces pyruvic acid and NADH.

This process involves the removal of hydrogen atoms from the lactic acid and produces NADH and H⁺ in the presence of lactate dehydrogenase enzyme and convert into pyruvic acid.

Thus, the correct answer is option 3. removal of the hydrogen atoms from lactic acid.

4 0
3 years ago
Alternative RNA splicing increases the rate of transcription. can allow the production of similar proteins from different RNAs.
Verdich [7]
Your correct answer would be yes because the transcript is constantly increasing
3 0
3 years ago
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