Joshua is colorblind, but neither of his parents are colorblind. Which of the following is the
most likely scenario?
a. He is adopted.
b. His mother is a carrier for the colorblind trait.
c. His father is heterozygous for the colorblind trait.
d. His father must be colorblind
B
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In the collecting ducts of the kidney, antidiuretic hormone promotes water conservation by increasing the levels of
A. aquaporins. B. G-protein coupled receptors. C. vasopressin. D. Na+/K+ ATPase. E. Na+/glucose symporters.
Orchitis and epididymitis are seen in young, adult males as a complication of ________.
A. gingivitis B. mumps C. hepatitis D. tapeworm infestation
The process of gamete formation is accomplished by ____
a. oocytosis b. fertilization c. meiosis and mitosis d. mitosis only
e. meiosis onlyThe concept of homeostasis originated with:
A. James Watson. B. Charles Darwin. C. Gregor Mendel. D. Claude Bernard. E. Rosalind Franklin.