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Bad White [126]
3 years ago
6

All of the following are true statements about meiosis in mammals EXCEPT: It serves as a factor in bringing about variation amon

g offspring. A It follows DNA replication. B It occurs only in reproductive structures. C It produces cells with the haploid number of chromosomes.D It produces four genetically identical gametes.
Biology
1 answer:
Helga [31]3 years ago
6 0

Answer: option D) It produces four genetically identical gametes.

Explanation:

Meiosis DOES NOT produces four (4) genetically identical gametes RATHER four (4) offspring cells that are genetically DISSIMILAR with half of the parent chromosome, due to the exchange of material that occurs between homologous chromosomes during crossing over (a distinguishing feature of meiosis).

This exchange is the basis for variation that is observed among offsprings.

So, all options are true except option D

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Answer:

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Explanation:

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A deletion deletes one of the bases (AGTC), which can completely mess up the sequence and create a completely different protein.

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A substitution just changes one of the bases to a different base. This doesn't usually affect what protein is made, but when it does, it only changes one of the amino acids in the sequence, whereas the others change all of the amino acids in the sequence.

If the same protein is still created, then this person only experienced a substitution because it didn't affect the end result of the protein.

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<span>A chromosomal deletion mutation</span>
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