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Definition
| zoologist and botanist, 'origin of species', evolution by natural selection |
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| random error in gene replication |
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| some variations are more helpful than others interms of survival and reproduction. more helpful=more likely to be passed on |
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| studies how the natural selection of traits promotes passing on ones genes |
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| male evolutionary model of sexual motivation |
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Definition
| males maximize by mating with females likely to be fertile ( young and healthy, physically attractive, waist to hip ratio) and by mating often |
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| female evolutionary model of sexual motivation |
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Definition
| females maximize by mating with meals likely to provide are or protection (older, more resources, and physically strong) and by mating selectively |
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| biochemical unites of heredity, small segments of DNA |
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| a complex molecule containing genetic info |
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| threadlike structures made of DNA molecules |
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| develop from single fertilized egg, genetically identical |
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| develop from separate fertilized eggs, genetically no more similar than ordinary brother and sisters |
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| the extent to which variation among individuals can be attributed to their differing genes |
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| more than parents or culture; effect speech, clothes, food, smoking, drinking. |
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| direct: parenting, religious and political beliefs, mannerisms, discipline. indirect: location, school, food, environment, peers, nutrition |
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| behaviors, ideas, attitudes, traits shared by group and passed down. have norms: understood rules for acceptance and behavior |
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| physical environment influences |
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Definition
| affects brain development |
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| studies how much our genes and our environments influence our individual differences |
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| 3 behavior genetics studies |
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Definition
| twin studies, adoption studies, temperament studies |
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| siblings raised apart vs. together |
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| one child early on vs. later in life |
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| expectations about the ways men and women behave |
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| our sense of being male or female |
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Definition
| the acquisition of a traditional masculine or feminine role |
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Term
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Definition
| the biologically and socially influenced characteristics by with people define male and female |
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