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genetics bio 10

chapter 11

TermDefinition
genetics scientific study of heredity
fertilization process in sexual reproduction in which male and female reproductive cells join to form a new cell
true - breeding term used to describe organisms that produce offspring identical to themselves if allowed to self-pollinate
trait specific characteristic that varies from one individual to another
hybrid offspring of crosses between parents with different traits
gene sequence of DNA that codes for a protein and thus determines a trait
allele one of a number of different forms of a gene
segregation separation of alleles during gamete formation (Tt to T and t)
Punnet Square diagram showing the gene combinations that might result from a genetic cross
homozygous term used to refer to an organism that has two identical alleles for a particular trait
heterozygous term used to refer to an organism that has two different alleles for the same trait
phenotype physical characteristics of an organism
genotype genetic makeup of an organism
incomplete dominance situation in which one allele is not completely dominant over another
independent assortment independent segregation of genes during the formation of gametes
codominance situation in which both alleles of a gene contribute to the phenotype of the organism
multiple alleles three or more alleles of the same gene
polygenic traits trait controlled by two or more genes
heredity the passing on of characteristics from parents to offspring
Law of Dominance Some alleles are dominant and others are recessive dominant are CAPITAL letters recessive are lower case letters
autosomal
recessive trait
dominant trait
Created by: misterd