If a man R h^ + marries a lady R h^ - , then

MCQ

If a man $R{h^ + }$ marries a lady $R{h^ - }$, then

✓

Answer

Correct option: B.

First child will survive

b
(b) $R{h^ - }$ woman married with $R{h^ + }$ man, become sensitized simply by carrying a $R{h^ + }$ child within her body.

Some of the cells from the embryo may mix into her own blood stream during development.

The first child of the parents with this genetic back ground is nearly always normal.

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$(i)$ Sickle - cell anaemia is controlled by three pairs of allele.

$(ii)$ Trisomy is chromosomal disorder.

$(iii)$ $47$ chromosome present in person whose having Turner's syndrome.

Statement I: Inspiration can occur if intra - pulmonary pressure is less than the atmospheric pressure.
Statement II: Expiration occur if intra-pulmonary pressure is higher than the atmospheric pressure.