Psych Chp 6 Less 3-4 Vocab

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Last updated 10:34 PM on 11/7/22
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15 Terms

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Endocrine system
A chemical communication system, using hormones, by which messages are sent through the bloodstream
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Hormones
Chemical substances that carry messages through the body in blood
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Beneficial
Having a helpful or useful effect
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Pituitary gland
The center of control of the endocrine system that secretes a large number of hormones
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Impact
To have a direct effect upon something
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Heredity
The genetic transmission of characteristics from parents to their offspring
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Genes
The basic building blocks of heredity
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Modify
To change something slightly
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Genotype
The set of genes in an organism
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Phenotype
The expression of a particular trait (genotype) on an organism
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Inbred
Descended from ancestors with similar genetics
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Outbred
Descended from ancestors with dissimilar genetics
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Identical twins
Twins who come from one fertilized egg; twins having the same heredity
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Fraternal twins
Twins who come from 2 different eggs fertilized by different sperm
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Similar
Alike but not exactly the same