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biology

chapter 11

QuestionAnswer
fertilization male and female reproductive cells join
true breeding if peas were allowed to self pollinate, they would produce offspring identical to themselves
genetics scientific study of heredity
hybrids offspring of crosses between parents with different traits
genes chemical factors that determine traits
alleles different forms of a gene
principle of dominance some alleles are dominant and others are recessive
segregation seperation
gamete sex cell
probability likelihood that a particular event will occur
principles of probability can be used to predict outcomes of genetic crossings
punnet square gene combinations that might result froma genetic cross that are determined ona drawing
homozygous organisms that have two identical alleles
heterozygous organisms that have two different alleles
phenotype physical characterists
genotype genetic makeup
diploid cell that contains both sets of homologous chromosomes
haploid gametes of sexually reproducing organisms contain only a single set of chromosomes
crossing over homologous chromosomes pair up and exchange portions of their chromatids
meiosis process of reduction division in which the number of chromosomes per cell is cut in half through the separation of homolgous chromosomes in a diploid cell
mitosis results in the production of two genetically identical diploid cells wheras meiosis produces four genetically different haploid cells
Created by: snickerfan
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