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Biology Unit 6

Biology Unit 6 Genetics Vocabulary

DefinitionTerm
exchange of genetic material between homologous chromosomes, resulting in new combinations during meiosis crossing over
a cross between two organisms with different variations at one, distinct gene monohybrid crosses
different genes and their alleles separate randomly during meiosis within sexually reproducing organisms independent assortment
chromosome numbers in gametes are reduced to half of the genetic information to maintain chromosome numbers within a species chromosome reduction
any pattern of inheritance in which traits do not segregate in accordance with Mendel's laws non-mendelian inheritance
a cross between two individuals with two observed traits controlled by two distinct genes on autosomal chromosomes dihybrid cross
a pattern of inheritance where genes are located on the X sex chromosomes and patterns vary due to sex sex-linked traits
a type of cell division in sexually reproducing organisms that reduces the number of chromosomes in gametes meiosis
a pattern of inheritance where more than two alleles are expressed as a phenotype multiple alleles
a pattern of inheritance where the phenotype of a heterozygote is an intermediate incomplete dominance
a pattern of inheritance where both alleles are expressed equally in the phenotype of the heterozygote codominance
the heredity that is the result of discrete units of inheritance; every single unit (or gene) is independent in its actions in an individual's genome mendelian inheritance
Created by: MrsNash
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