Which statement is true about the corpus luteum?
A) It is where fertilization usually takes place.
B) It secretes hormones that prepare the lining of the uterus to receive a fertilized ovum.
C) It is one of two long, thin structures that lead to the hollow, softly lined uterus.
D) It is one of two walnut-sized organs located deep inside a woman’s abdomen.
Answer: B
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Age-related _____ degeneration involves damage to the retinal cells and results in the loss of central vision
Fill in the blank(s) with correct word
What is a major disadvantage of cross-sectional research?
A) Age-related changes cannot be examined. B) Participants often drop out before the study is over. C) Factors affecting individual development cannot be explored. D) Practice effects often cause biased findings.
Although spanking has been officially outlawed in many countries, about ____ of American parents have reported spanking their children
a. 10% c. 50% b. 25% d. 65%
Sex-linked genes are usually found on the Y chromosome.
Answer the following statement true (T) or false (F)