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genetics 2018

genetics, braswell, cousins, holt science

TermDefinition
genetics scientific study of heredity
heredity passing of traits from parents to offspring
trait a characteristic about a living thing
inherited trait controlled by genes, a characteristic passed on through family
acquired trait a thing you learn or change about yourself, like dying your hair
offspring a way of saying "babies"
asexual reproduction makes more living things, only 1 parent, offspring are clones of parent
sexual reproduciton makes more living things, 2 parents, offspring are unique combos of DNA
homozygous having the same alleles for a trait BB, bb also called purebreed
heterozygous having different alleles for a trait: Bb or bB also called hybrid
genotype actual choices in your DNA for a trait
phonotype what you look like due to your genotype
Dominant covers up the recessive, Allele that TAKES OVER , written as a big letter
recessive is covered up by dominant allele. only shows if two are together, written as small letter
allele one of choices for a trait. Hair type alleles are straight, curly, wavy
Gregor Mendel monk who studied pea plants and came up the basic principals of genetics
Created by: JesiBraswell