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Biology 2 Mendel Review

Terms in this set (21)

Dominant
A trait that is always displayed. In a Punnett Square you use a capital letter for this.
Genotype
The genetic make-up of an individual.
Hybrid
Heterozygous. A cross between parents with different traits.
Allele
Different forms of a trait.
Recessive
A trait that is only displayed if the dominant trait is not present. In a Punnett Square you us a lower case letter for this.
Trait
A characteristic that individuals inherit and pass to their offspring.
Phenotype
The physical characteristics of an individual. (you can see the traits)
True Breeding/Purebred
Homozygous for a trait.
Heterozygous
Two different alleles for a trait.
Homozygous
Two identical alleles for a trait. Can be dominant or recessive.
Sex-Linked Trait
A trait that is located or connected to the X or the Y chromosome.
P Generation
Parents.
Incomplete Dominance
One allele is not totally dominant over another. You see a "mixture" of the two alleles in the offspring. (Think Red+white=pink)
Polygenic Trait
A trait that is controlled by more than just one dominant and recessive allele. It is controlled by many different genes.
F1 Generation
First Generation
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