Data

Copy and paste the text below. It is read-only. Select All

heredity the passing of characters from parents to offspring genetics the branch of biology that focuses on heredity monohybrid cross a cross that involves one pair of contrasting traits true-breeding all the offspring would display the same form of the character in both alleles P generation (parental generation) the first two individuals that crossed in a breeding experiment F1 generation the first filial generation F2 generation the second filial generation alleles the different versions of a gene dominant the wxpressed form of the character recessive the trait that was not expressed when the dominant form is present homozygus if two alleles of a particular gene present in an individual are the same heterozygus if the alleles of a particular gene present in an individual are different genotype the set of alleles that an individual has for a character phenotype the physical appearence of a character law of segregation states that the two alleles for a character segregate when gametes are formed law of independent assortment states that the alleles of different genes seperate independently of one another during gamete formation punnett square a digram that predicts the outcome of genetic cross by considering all possible combinations of gametes in the cross test cross an individual whose phenotype is dominant but whose genotype is not known is crossed with a homozygus recissive individual probability the likeliehood that a specific evewnt will occur pedigree a family history that shows how a trait is inherited over sevral generations sex-linked genes allele is located ony of the x or y chromosome polygenic inheritance when sevral genes influence a character incomplete dominance an individual displays a phenotype that is intermediate between the two parents multiple alleles genes with three or more alleles condominance both forms of the character are displayed