Identify the gametes with similar number of chromosomes but, differ in their type of sex chromosome

(a) Ova of hen

(b) Sperm of Drosophila

(c) Sperm of human

(d) Sperm of grasshopper

(e) Sperm of birds

The gametes with similar number of chromosomes but, different type of sex chromosomes are:

• (a) Ova of hen - ZW
• (b) Sperm of Drosophila - XY
• (c) Sperm of human - XY

Sperms of grasshopper - XO, They have one chromosome lesser than the female ovum (XX)

Sperms of birds - ZZ