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neonofarm [45]
3 years ago
9

What process in cells undergoing meiosis increases genetic diversity

Biology
1 answer:
alexandr1967 [171]3 years ago
7 0

Answer:

Crossing over

Explanation:

Meiosis a type of cell division which produce daughter cells with different genetic material compared to parent cell.

This difference in the genetic material in the daughter cells is the result of a phenomenon called recombination which takes place during the pachytene of prophase I.  

The synaptonemal complex is formed during pachytene which allows the crossing over or recombination or exchange between the homologous chromosomes.This process introduces genetic variation in the population.

Thus, Crossing over is the correct answer.

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Suppose a plant breeder wants to isolate mutants in tomatoes that are defective in DNA repair. However, this breeder does not ha
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The provided question has marked options incorrectely the correct order as follows:

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Answer:

The correct answer is: A), C) and E)

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The breeder wants to isolate the mutants in tomatoes that are defective in DNA repair, to identify such plants breeder should follow these methods as they will allow best to identifying the defective tomatoes-

Measure the somatic mutation rates for the putative DNA repair mutant plants.

Measure the germline spontaneous and induced mutation rates for the putative DNA repair mutant plants.

Expose putative DNA repair mutant plants to ionizing radiation L and see if they survive less well than wild-type plants.  This will allow the breeder to see and analyze the ability of DNA repair in tomatoes

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Ignore this need to get 20 characters
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