Cancer is not usually inherited because
A) the chromosomal changes in cancer are usually confined to somatic cells.
B) people with cancer usually die before reproducing.
C) the causes of cancer are not usually genetic.
D) the cancerous cells usually interfere with the ability to produce gametes.
Answer: A
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In general, control groups should be ________
a. older than the experimental group b. more fit than the experimental group c. more diverse than the experimental group d. as similar as possible to the experimental group
The intertidal zone is defined by
A) being a marine environment. B) containing starfish. C) being continually exposed and submerged by the ocean. D) rocky shores.
A(n) ________ is a group of similar cells that perform the same function
Fill in the blank(s) with correct word
Which of the following conditions is necessary for the sample estimates of the population coefficients that best describe the co-movement amongst the variables to be consistent?
A. The sample is a random sample. B. The errors are heteroscedastic. C. The errors are distributed normally. D. The errors are homoscedastic.