19) A, D & E
An egg always has only the X chromosome. So A is correct but B and C are wrong.
A sperm could either have X or Y chromosome (but not both). So D and E are correct but F is wrong.
19) A, D & E
An egg always has only the X chromosome. So A is correct but B and C are wrong.
A sperm could either have X or Y chromosome (but not both). So D and E are correct but F is wrong.