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inheritance

QuestionAnswer
genetics the scientific study of heredity
fertilization the process in sexual reproduction in which male and female reproductive cells join to form a new cell
trait a specific characteristic of an individual
gene a factor that is passed from parent to offspring
allele one of a number of different forms of a gene
principle of dominance states that some alleles are dominant and others are recessive.
where does an organism get it's unique characteristics? an individual's unique characteristic are determined by factors that are passed from parent to offspring
segregation the separation of alleles
gametes sex cells
probability the likehood that a particular event will occur
homozygous having two different alleles for a particular gene
phenotype the physical characteristics of an organism
genotype the genetic makeup of an organism
independent assortment one of MENDEL'S principles that states that genes for different traits can segregate independently during the formation of gametes
codominace a situation in which the phenotypes produced by both alleles are completely expressed
incomplete dominance a situation in which one allele is not completely dominant over another allele
multiple alleles a gene that has more than two alleles
polygenic traits a trait controlled by two or more genes
homologous the term used to refer to chromosomes in which set comes from the male parent and one set comes from the female parent
diploid the term used to refer a cell that contains two sets of homologous chromosomes
haploid the term used to refer a cell that contains only a single set of genes
meiosis the process in which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell
zygote a fertilized egg
crossing over the process in which homologous chromosomes exchange portions of their chromotids during meiosis
Created by: leavee
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