Archaeopteryx, represents transitional fossil between reptilian and birds
Interstitial cells surrounding seminiferous tubules produce testosterone in response
lh
C. hemoglobin hope this helps
You could buy 1 bigger sheep and breed it with a smaller one :D
hope this helps
Answer:
1/4 suffer from hemophilia
1/4 are heterozygous
Explanation:
So since they are normal but their son isn't it is assumed that the mom is the carrier since the dad has to be X^HY
X^HY x X^HX^h
Set up a pedigree
X^HX^H X^HX^h
X^HY X^hY
1/4 suffer from hemophilia (X^h)
1/4 are heterozygous (X^HX^h)
