Thursday
October 2, 2014

Homework Help: biology urgent

Posted by alex on Sunday, February 24, 2013 at 9:39pm.

In mice, a gene controlling coat colour has 2 alleles; B (black) and b (white). A pure breeding black mouse is crossed to a white mouse and all the offspring are black. The offspring are then crossed to white mice. The phenotypes of the offspring of this second cross are expected to be
all black.
1/4 black, 3/4 white.
all white.
1/2 black, 1/2 white.
3/4 black, 1/4 white.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

biology - In cat, the gene for black coat is dominant to the gene for white coat...
biology - A poultry farmer hopes to profit from the current craze for keeping ...
science - In cat, the gene for black coat is dominant to the gene for white coat...
Biology - A poultry farmer hopes to profit from the current craze for keeping ...
bio - a brown mouse is crossed with hertozygous black mouse. if the mother has a...
STATISTICS - TWO WHITE MICE MATE. THE MALE HAS BOTH A WHITE AND A BLACK FUR-...
biology - This is to do with genetics and drosophila. There are 3 pairs of ...
Biology - This is to do with genetics and drosophila. There are 3 pairs of ...
genetics - can u help me with this qs pure breeding white budgies were crossed ...
Please Help Me :( Science: Biology, Genetics! - Please help me with science ...

Search
Members