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Chapter3 Child Psych

TermDefinition
Chromosomes Humans have 46 (23 pairs)
Gametes Sperm/egg have 23 chromosomes
DNA Stores genetic material
Gene Segment of DNA with coded instructions
Genome Entire hereditary information
Genotype Genetic makeup
Phenotype Observable traits/behavior
Dominant gene Influences phenotype most strongly
Recessive gene Expressed only if both alleles are recessive
Polygenic inheritance Trait influenced by many genes
Incomplete dominance Phenotype partly influenced by recessive gene
X-linked disorders More common in males
Heritability Variation in a population explained by genes (not individual %)
Passive genotype-environment Parents provide genes + environment
Evocative genotype-environment Traits evoke responses from others
Active genotype-environment Person seeks environments that fit traits
Created by: user-2023927
 

 



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