Question

List two reasons for appearance of variation in the progeny

Answer 1

The. genetic material is exchanged between chromosomes before forming of zygote. Deoxyribonucleic acid (DNA) exchange in the chromosome. This results in forming of variation in the progeny. The above two are major reasons for appearance of variation among the progeny formed by sexual reproduction.

Answer 2

ĀNSWĒR ⏬⏬

⭐Sexual reproduction involves two parents with different sets of characters.


⭐ The gene combinations are different in gametes.

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Or

 
⭐Variation is seen among progeny formed by sexual reproduction because of:

✨Involvement of two different individuals.

✨Creation of new combination of variants.


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