1. FEMALE: Carries only the “X” chromosome.
MALE: Carries the sperm which contains either an“ X” or “Y” chromosome.
FEMALE: Carries only the “X” chromosome.
Determining the sex of the offspring is considered the job of male since he carries to different chromosomes.

2. CONCEPTION First the head of the sperm gets attached to the egg.
As they merge the concerned membranes take in all the contents of the sperm into the egg. Immediately the egg releases the cytosol from the egg that makes it impenetrable for the other sperms that arrive.

8. SPERM INJECTION

9. SURROGATE MOTHER

10. EMBRYO

11. OBSTETRICIAN

12. Ultrasound

16. PEDITRICIAN

18. MOLAR PREGNANCY