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BIOLOGY VOCABBB

Terms in this set (9)

Codominance
A condition in which neither of two alleles of a gene is dominant or recessive. In other terms it is a relationship between two versions of a gene.
Polygenic trait
one whose phenotype is influenced by more than one gene.
F1 generation
the first generation of offspring produced by a set of parents
F2 generation
the result of a cross between two F1 individuals
Dominant trait
trait is one that is phenotypically expressed in
heterozygotes).
Recessive Trait
the weak, unexpressed trait of a dichotomous pair of alleles
sex linked trait
sex-specific patterns of inheritance and presentation when
a gene mutation is present on a sex chromosome rather than a non-sex
chromosome.
Monohybrid cross
A cross between two individuals, concentrating on only one definable trait.is a cross
tween two organisms with different variations at
one genetic locus of interest.
dihybrid cross
A cross between individuals that have different alleles for the same gene.cross between two individuals who differ in two observed traits
that are controlled by two distinct genes.
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