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.