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Reproduction/Genetics

definition term
a type pf cell division that reduces the number of chromosomes; therefore, it is referred to as reduction division meiosis
the DNA on chromosomes that is arranged in the segments that control the production of proteins genes
an alternative form of a single gene passed from generation to generation allele
the form of trait that appeared in the F1 generation a gene that will always show itself dominant
the form of trait that was masked in the F1 generation; gene that is overshadowed recessive
the organisms allele pairs genotype
the observable characteristics or outward expression of an allele pair phenotype
an organism that has two of the same alleles for a= a particular trait homozygous
an organism that has 2 different alleles for a particular trait heterozygous
states that two alleles for each trait separate during meiosis law of segregation
states that random distribution of alleles occurs during gamete formation law of independent assortment
the P generation parent generation
used to predict the possible offspring of a cross between two known genotypes punnet square
phenotypic traits arise from the interaction of multiple pairs of genes polygenic traits
both alleles are expressed in the heterozygous condition codominance
the heterozygous phenotype is an intermediate phenotype between the 2 homozygous phenotypes incomplete dominance
a cross that involves hybrids for a single trait monohybrid cross
a cross that examines simultaneous inheritance of two or more traits in the same plant dihybrid cross
two cells from different parents unite to produce first cell of new division sexual reproduction
generation in a breeding experiment that is successive to a mating between parents of two distinctively different but usually relatively pure genotypes filial generation
some traits will be dominant over others
Created by: ewoodham
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