Asked by Erin

Down syndrome or trisomy 21, in humans is caused by an extra copy of relatively small chromosome 21. if a male with down syndrome could have children what is the likelihood that his children will also have down syndrome?

a. 0
b. 25
c.50
d. 75
e. 100

Answers

Answered by Celest
0 because it depends on the mother , not the father
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