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In simplest type of placenta. Six barrie...

In simplest type of placenta. Six barriers separate mat ernal blood from foetal blood. How many barriers are lost in human placenta?

A

One Y-chromosome

B

Two haploid nuclei fuse but the fusion nucleus divides immediately to form two haploid nuclei.

C

three

D

four

Text Solution

Verified by Experts

The correct Answer is:
C
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