NEET 2009
- Exam
- NEET
- Year
- 2009
- Subject
- Zoology
- Chapter
- Human Reproduction
NEET 2009 · Zoology · Human Reproduction
A change in the amount of yolk and its distribution in the egg will...
A change in the amount of yolk and its distribution in the egg will affect
Options
- Aformation of zygote
- Bpattern of cleavage
- Cnumber of blastomeres produced
- Dfertilization
Correct answer
B. pattern of cleavage
Step-by-step solution
The mode of cleavage is determined by the amount of yolk and its distribution.
(i) Holoblastic-The cleavage, in which the segmentation lines pass through the entire egg, dividing it completely, eg, frog, human egg, etc.
(ii) Meroblastic-The lines of segmentation do not completely pass through the egg and remain confined to a part of the egg, eg, Insects, birds, reptiles.