Which of the following principles of genetics got its foundation in the work of Gregor Mendel?
a. The idea that a human zygote has 23 pairs of chromosomes.
b. The existence of dominant and recessive genes.
c. The fact that mitosis and meiosis explain how chromosomes replicate themselves.
d. The concept that monozygotic twins share more of their genetic code than dizygotic twins.
Answer: B
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Which of the following is NOT part of thinking critically?
a. Examine the evidence that supports an idea or interpretation. b. Analyze the possible biases of those making assertions. c. Consider various explanations for events; don't jump to conclusions. d. Argue with those who don't agree with you.
The function of the thyroid gland is to regulate
a. sleep cycles. b. metabolism. c. blood sugar and hunger by releasing insulin. d. salt balance in the body.