General Knowledge - Biology - Discussion

Discussion Forum : Biology - Section 1 (Q.No. 65)
65.
Number of chromosomes in Down's syndrome is
46
47
48
49
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.

G k singha said:   6 years ago
Yes, it is the right answer. I agree.

Lesponi said:   7 years ago
Option B is correct answer. I agree.

.JAWERIA said:   1 decade ago
It is also called monogolism. The abnormality of this disease include mental retardation, low iq in 20 to 50 range and many other things. It has extra chromosomes attached to pair 21.

Simran said:   1 decade ago
In case of Down's syndrome, a child gets an extra chromosome 21 - for a total of 47 chromosomes instead of 46. It's this extra genetic material that causes the physical features and developmental delays associated with DS.

Aadi said:   1 decade ago
what is dows syndrom

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