If a child receives a dominant allele for brown hair from one parent and a recessive allele for blonde hair from the other, what do we know?
a. The child will have blonde hair.
b. We cannot predict the potential hair color of the child based upon this information.
c. The child will have brown hair.
d. The child will be female.
c
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Which of the following best characterizes how axons arrive at the correct target cells? a. They follow electrical gradients
b. They follow chemical gradients from the target cell. c. Axons send out chemicals to the target cells. d. Target cells send out branches for the axons to follow.
There is a great difference in the number of computer users when comparing those between the ages of 50 and 64 and those ages 65 and older
Indicate whether the statement is true or false.
How many chromosomes from each of a cell's 23 pairs of chromosomes are generally inherited from the father?
A. 1 B. 2 C. 3 D. 4
Which hormones program sexual desire?
A) the adrenal androgens and testosterone B) testosterone and estrogen C) the adrenal androgens, estrogen, and testosterone D) the adrenal androgens and estrogen