What are the possible genotypes of a female child from the union of a woman who is heterozygous for
hemophilia and a man who has normal blood clotting characteristics?
a. XHXH or XHXh
b. XHXh
c. XHYH
d. Hh
e. HH
A
You might also like to view...
If you eliminated all sources of calcium (dairy products, some vegetables) from your diet, the level of which of the following would rise in an attempt to supply calcium stored in your body to the tissues that need it?
a. aldosterone b. calcitonin c. mineralocorticoids d. parathyroid hormone e. thyroid hormone
Phenylketonuria (PKU) is caused by the absence of the enzyme phenylalanine hydroxylase, which catalyzes the first step of the pathway that breaks down the amino acid phenylalanine, a common component of dietary protein
Explain how environmental intervention is commonly practiced to prevent the development of this human autosomal recessive condition.
A mutation in the gene for hormone A causes it to be unable to bind to its receptor protein. What do you predict will likely happen?
A) The receptor protein will not be activated and therefore will not initiate a signal transduction pathway. B) The receptor protein will change shape in order to bind with hormone A. C) The hormone will bind with a different receptor instead.
Which of the following is an example of GALT?
A. lymph nodes B. spleen C. tonsils D. thymus gland E. appendix