In genomic imprinting,
A) children copy their parents' behavior.
B) the same allele has a different effect if inherited from the mother or father.
C) a trait affects a structure found only in one sex.
D) genes on the Y chromosome are only expressed in males.
B
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Which of the following is not found in the filtrate at the beginning of the proximal tubules
a. water b. glucose c. urea d. salts e. all of the above are found
Antivirals are used mainly to _____ disease. Select one:
a. prevent b. treat c. both choices d. neither choice
The respiratory pump assists blood movement within the veins of the trunk, because as a person inspires,
A. intra-abdominal and intrathoracic pressure both increase. B. intra-abdominal pressure decreases and intrathoracic pressure increases. C. intra-abdominal and intrathoracic pressure both decrease. D. intra-abdominal pressure increases and intrathoracic pressure decreases.