Human Reproduction Ques 33
33. Human eggs are haploid
(a) Alecithal
(b) Microlecithal
(c) Mesolecithal
(d) Macrolecithal is a term used in embryology to describe eggs with a large amount of yolk, typically found in organisms such as birds and reptiles.
Show Answer
Answer : a
Hints & Solutions
(a) Eggs are of 4 types regarding the amount of yolk present in them: Alecithal Egg : Almost free of yolk, e.g. most mammals like man. Microlecithal Egg : Very small amount of yolk, e.g. Branchiostoma. Mesolecithal Egg : Moderate amount of yolk, e.g. Frog’s egg (iv) Macrolecithal Egg : Large amount of yolk eg. Reptiles, birds and egg-laying mammals.
BETA
