The idea that alleles of a particular gene separate independently into individual gametes during meiosis is Mendel's principle of ________.
a. unit inheritance
b. segregation
c. independent assortment
d. dominance
Answer: b. segregation
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Which of the following is NOT a reason for the
rapid explosion of the human population?
a. increase in carrying capacity b. expansion into new habitat c. removal of limiting factors d. reproduction occurring earlier in the life cycle e. longer generation times
Which of the following substances is released
by an endocrine gland?
a. mucus b. hormones c. saliva d. milk e. tears
Which of the following is NOT true of spindles?
a. They are permanent cell structures. b. Centrosomes act as microtubule originating centers for spindles. c. Some of their microtubules overlap at the cell equator. d. They are composed of microtubules. e. They are bipolar.
Nutrition during this stage is extremely important because it is during this period that the body changes from nonreproductive to reproductive.
A. adulthood B. adolescence C. childhood D. All of these stages are equally important.