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Cloud [144]
3 years ago
11

How many chromosomes make a Down syndrome chicken

Biology
2 answers:
Vika [28.1K]3 years ago
8 0

Answer:

thirty nine pairs

Explanation:

i hope it will help

RideAnS [48]3 years ago
6 0

Answer:

When a 23-chromosome egg is fertilised by a 23-chromosome sperm, the first cell of a 46 chromosome embryo, fetus and baby is made. All that baby's cells will have the same 46 chromosomes which were in the original fertilised egg. Down's syndrome occurs in babies born with extra chromosome 21 material in their cells.

Hope it helps

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Hope this helps :)

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