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nignag [31]
3 years ago
7

Which of the following best describes gene flow?

Biology
1 answer:
Dimas [21]3 years ago
7 0

I have no straight answer with ABDE as of your lack there-of. But here.

Gene flow is the introduction of genes/alleles between populations. An example is a flower having it´s pollen carried by a bee. The bee then introduces it (intentional or not.) to other flowers.

Another example is a pack of gray wolves suddenly having a different wolf introduced. *As long as it can breed, that is* They will slowly incorporate the new alleles/genes into the pack.

I wish you luck young lad.

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Answer:

C) no, the final mRNA contains only exons, the introns were removed

Explanation:

Exons are the coding areas while the introns are non-coding areas. Both of these are the sequences of nucleotide within a gene.

RNA splicing is a process which usually occurs as the RNA matures, causing the removal of introns ( non coding areas of the RNA ) i-e they will not be expressed in the final messenger RNA, while exons continue to form covalent bonds with one another to form a  mature mRNA.

So in the given scenario, Upon comparison, the mRNA is found to contain 1,000 fewer bases than the DNA sequence because the introns were removed by RNA splicing.

Hence option C) no, the final mRNA contains only exons, the introns were removed is correct.

5 0
3 years ago
A disease called phenylketonuria causes mental problems, reduces skin pigmentation, and also affects the coloration of urine. Wh
swat32

Answer:

Pleiotropy

Explanation:

Pleiotropy is a genetic condition in which a single gene conditions the expression of multiple phenotype. There are different types of pleiotropy depending on the underlining mechanism

  • <em>gene pleiotropy</em>
  • <em>developmental pleiotropy</em>
  • <em>selectional pleiotropy</em>
  • <em>antagonistic pleiotropy </em>

<em>Phenylketonuria is a disease characterized by increased level of amino acid phenylalanine in the blood. It caused by mutation to the gene responsible for breaking down phenylalanine in the blood. Elevated level of phenylalanine causes other issues such as mental problems, urine coloration and reduction in skin pigmentation. This is a clear case of pleiotropy.</em>

7 0
3 years ago
One of the most important characteristics of a pesticide is how long it will stay deadly in the environment, a characteristic ca
artcher [175]

Answer:

persistence

Explanation:

This characteristic is often describe as a way of

how long it will be useful, just like how long

will the pesticides could be useful in killing

the things that it is useful for in which is in

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8 0
1 year ago
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3 years ago
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What are some ways that parents can promote
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Communication is the important phenomena that helps in the interaction between the people. Communication can be done in the form of language, signs and gestures.

The communication gap between the parents and children might creates a problem in their relationship. The parents should talk politely with their children if they do not want to talk with them. The parents should start communication with the topics in which their children are also interested. They should ask them about the children daily routine and their friends.

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