Homework Help: Biology

Posted by Erin on Monday, September 3, 2012 at 5:57pm.

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

Biology - Celest, Wednesday, September 12, 2012 at 3:09am
0 because it depends on the mother , not the father

Answer this Question

Related Questions

Biology- Human Karyotyping - Could someone help me find 2 disorders that are the...
biology - An individual with Down's syndrome has repeat length alleles of ...
Biology - What are the symptoms of a monosomy of chromosome 20? and is their a ...
Biology - What are the symptoms of a monosomy of chromosome 20? and is their a ...
bio - outlining how disorders such as Trisomy 21 occur.
biology - Can males have turner syndrome? Like if a male was born with part of ...
math - alter working 4 hours, frank has made 21 machine parts.at the same rate ...
Math - What are the 3 solutions? I'm stuck! 6x=15(mod 21) a=6,m=21,b=15 d=...
algebra - 2xsquared-11x-21= ? a=2 b=11 c=21 product= a*c p=42>21 and 2 ...
math - After working 4 hours, Frank has made 21 machine parts. At the same rate...

For Further Reading

First Name:
School Subject:
Answer: