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chapter 12 biology

TermDefinition
genetics scientific study of heredity
fertilization process in sexual reproduction in which male and female reproductive cells join to form a new cell
trait specific characteristic of an individual
hybrid offspring of crosses between parents with different traits
gene sequence of DNA that codes for a protein and thus determines a trait ; factor that is passed from parent to offspring
allele one of a number of different forms of a gene
principle of dominance Mendel's second conclusion, which states that some alleles are dominant and other are recessive
segregation separation of alleles during gamete formation
gamete sex cell
probability likelihood that a particular event will occur
homozygous having two identical alleles for a particular gene
heterozygous having two different alleles for a particular gene
phenotype physical characteristics of an organism
genotype genetics makeup of an organism
punnett square diagram that can be used to predict the genotype and phenotype combinations of a genetic cross
independent assortment one of Mendel's principles that states that genes for different traits can segregate independently during the formation of gametes
incomplete dominance situation in which one alleles is not completely dominant over another male
codominance situation in which the phenotypes produced by both alleles are completely expressed
multiple alleles a gene that has more than two alleles
polygenic trait trait controlled by two or more genes
Created by: aimeegzzz
 

 



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