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alternative form of a gene
Chromosome theory of inheritance
genralization that genes are located on chromosomes and that the behavior of chromosomes during meiosis and fertilization accounts for inheritance patterns
inheritance pattern in which a heterozygote expresses the distinct traits of both alleles
processby which sperm from one flower's pollen fertilizes the eggs in a flower of a different plant
mating of two organisms that differ intwo characteristics
descriptive pf an allele in a heterozygour individual that appears to be the only one affecting a trait
egg or sperm sex cell that contains a single set of chromosomes, one from each homologous pair
specific location of a gene on a chromosome
tendency for allels of genes on the same chromosomes to be inherited together
study of heredity
genetic makeup of an organism; an organism's combination of alleles
having different alleles for a gene
having identical alleles for a gene
offsoring of two differnt true-breeding varieties
inheritance in which heterozygotes have a phenotype intermediate between the phnotypes of the two homozygotes
process by which the nucleus and duplicated chromosomes of a cell divide and are evenly distributed, forming two daughter nuclei
mating of two organisms that differ in only one character
obserable traits of an organism
combined effect of two or more genes on a single character
diagram showing the probabilities of the possible outcomes of a genetic cross
Produce offspring with same form of trait as parent.
descriptive of an allele in a heterozygous individual that dies not appear to affect a trait
gene located on a sex chromosome
mating of an individual of unknown genotype but dominant phenotype with a hmozygous recessive individual
variation of a particular inherited character
the first generation of offspring from crossing two organisms in the P generation
Offspring resulting from interbreeding of the hybrid F1 generation.