What would be the ratio of chromosome

Question:

What would be the ratio of chromosome number between an egg and its zygote ? How is the sperm genetically different from the egg ?

Solution:

Chromosome Number in Egg and Zygote. 1 : 2

Genetic Difference between Sperm and Egg. Sperms are genetically of two types, X-containing and Y-containing. Eggs are always of one type, X-

containing.

 

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