wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Why does a mature human female generally bear one child at a time?

Open in App
Solution

  • Mostly, there is only one egg released by one ovary per ovarian cycle. Occasionally when two or more eggs are released then fertilization does occur as only one egg survives to become a child.
  • Eggs also prevent Polyspermy by a change in membrane potential after imbibing one sperm in an egg(fast reaction) or by a change in the molecular composition of Zona pellucida after the sperm enters(slow reaction).
  • So, this is why most human females bear only one child at a time.

flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Oogenesis
BIOLOGY
Watch in App
Join BYJU'S Learning Program
CrossIcon