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Science GeneticsDDES

TermDefinition
Heredity traits passed on from parent to child
acquired traits a trait that is acquired after birth
DNA The information is stored within the nucleus
chromosome Double strands of DNA coiled tightly
Gene Each trait of an organism is determined by a short segment of DNA
Nucleo The basic unit of DNA
Mutation When an error occurs in cell replication and are usually harmful
Gametes carry genetic information
trait A characteristic
purebred / homozygous always produces offsprings that have the same traits. Two of the same alleles for a trait ex. BB ZZ AA XX GG HH YY OO MM LL CC DD EE FF
hybrid/heterozygous 2 different alleles for a trait. EX. Hh Gg Bb Xx Mm Ll Pp
genotype An organism's genetic makeup. EX. Gg GG dD lL Ll Zz QQ Qq
phenotype the way an organism looks
Dominant allele A dominant allele always shows up in an organism. Represented by a capital letter. Ex. Aa Bb Gg
recessive alleles A recessive allele never shows in an organism if the dominant allele is present
Chromosomes A rod shaped structure that forms when DNA is dividing.
inherited traits The types of traits you were born with. Ex. Blue eyes, brown hair, white skin, ect...
Acquired traits Traits gained after birth Ex. Riding a bike, throwing a ball, ect...
Created by: 15lgoldstein
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