Hemophilia is a disease that is a recessive X-linked disorder. If the father is healthy and the mother is heterozygous for the trait, what is the possibility that the children will be carriers?
0%
100%
O 25%
50%

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis