Question

The ratio of the number of chromosomes in a human zygote and a human sperm is ______

Options

• 2 : 1

• 3 : 1

• 1 : 2

• 1 : 3

Answer 1

2 : 1

Explanation:

The number of chromosomes in human sperm is half the number of chromosomes in a zygote, i.e., their ratio is 2 : 1.