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25 Cards in this Set
- Front
- Back
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what are chromosomes? |
strands of genetic material found in the nucleus |
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how many pairs of chromosomes are in each cell? |
23 (46 individual) |
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what are x and y chromosomes? |
the two chromosomes that you receive from your parents that determine your sex (technically only the one from your father determines sex)
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which chromosome does your mom give? you dad? |
mom-x dad- either x or y (determines your sex) |
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two x chromosomes represents what sex? |
female |
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an x chromosome and a y chromosome represent what sex? |
male |
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what is meant by homozygous pair? |
a pair of alleles where both are either dominant or recessive (same) |
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what are heterozygous pair? |
a pair of alleles where 1 is dominant and the the other is recessive (different) |
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what is meant by dominant genes? |
genes that are represent by an upper case letter that are dominant over recessive genes |
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what is meant by recessive genes? |
genes that are represented by a lower case letter that can be dominated by the dominant gene |
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how is diversity achieved through genetics? |
mutations |
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what are monozygotic twins? |
identical twins, same sex, have identical features, and possess same 46 chromosomes |
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how are monozygotic twins formed? |
the develop from the same that split into two embryos |
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how are dizygotic twins formed? |
a woman releases two eggs in her monthly cycle (instead of one which is what is supposed to happen) and both eggs are fertilized creating two separate embryos |
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what determines a person sex? |
the sexual anatomy of a persons reproduction system |
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what determines a person gender? |
the persons personal identity and social role |
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what are gender roles? |
the social expectations that guide a persons behavior based on whether they are male or female |
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what is gender typing? |
the acquisition of a traditional masculine of feminine role |
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what is the social learning theory? |
founded by albert bandura, assumes that children acquire gender identity by observing and imitation others gender linked behaviors and by being awarded or punished for acting certain ways themselves |
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what are the four stages of the sexual response cycle according to masters and johnson? |
1. excitement 2. plateau 3. orgasm 4. resolution |
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what are sexual scripts? |
provide direction for how to feel behave and think in certain sexual situations |
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what is natural selection? |
the process by which mankind evolved where the fittest survive |
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what are people naturally motivated by? |
survival and desire to pass on out genes
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how do women mate? |
wisely |
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how do men mate? |
widely |
