What is a secondary sex characteristic? A physical feature that indicates male vs. female but is not actually associated with gamete production or conveyance A behavior that typically occurs after mating A phenotype that is at a reproductive disadvantage compared to the preferred "primary characteristic" A physical marker of having already mated, signaling that the individual is no longer sexually receptive
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A secondary sex characteristic is a physical feature that distinguishes males from females but is not directly involved in reproduction. Show more…
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Test yourself repeatedly throughout your studies. This will not only help you figure out what you know and don't know; the testing itself will help you learn and remember the information more effectively thanks to the testing effect. Primary sex characteristics relate to secondary sex characteristics refer to __________. a. ejaculation; menarche b. breasts and facial hair; ovaries and testes c. emotional maturity; hormone surges d. reproductive organs; nonreproductive traits
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Secondary sex characteristics are (a) present in the embryo, (b) a result of male or female sex hormones increasing in amount at puberty, (c) the testis in the male and the ovary in the female, (d) development of male and female external genitalia.
Which of the following statements about sex chromosomes is/are true? Select all that the correct answers. Sex chromosomes carry some genes that may have nothing to do with sex or gender. The number and type of sex chromosomes vary between biological males and females. Sex chromosomes contain the genes that control all our traits. Sex chromosomes were unknown to Mendel.
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