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Fruit flies have 4 chromosomes. What\'s the probabilitythat a female fruit fly w

ID: 4981 • Letter: F

Question

Fruit flies have 4 chromosomes. What's the probabilitythat a female fruit fly will generate an egg which is geneticallyidentical to the egg from her mother that created her? (Assume no recombination) The answer was 1/2 * 1/2 * 1/2 * 1/2 = 1/16. Can anyone please give a thorough/detailed explanation ofexactly how to obtain the answer? Thank you! Fruit flies have 4 chromosomes. What's the probabilitythat a female fruit fly will generate an egg which is geneticallyidentical to the egg from her mother that created her? (Assume no recombination) The answer was 1/2 * 1/2 * 1/2 * 1/2 = 1/16. Can anyone please give a thorough/detailed explanation ofexactly how to obtain the answer? Thank you!

Explanation / Answer

Parthenogenesis inDrosophila,

diploidy is restored aftercompleting meiosis either by pronuclear fusion or by gameteduplication (doubling of a haploid cleavage nucleus)

                      Fruit flies have 4 chromosomes.

1 chromosomes. 3chromosomes. 3 chromosomes. 4chromosomes.

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