Unit 2: Genetype Terms: Homozygous and Heterozygous Ch.9 Flashcards
MCB 181R University of Arizona
1
Q
Define Genotype
A
An individual’s genotype for a gene describes which alleles they have for that gene.
2
Q
What does it mean for an individual to be Homozygous when they have two identical alleles for particular gene.
A
An individual is homozygous when they have two identical alleles for particular gene.
3
Q
What does it mean for an individual to be Heterozygous for a gene?
A
An individual is heterozygous when they have two different alleles for a particular gene.
4
Q
Give an example of Homozygous Genotype using the ABO blood.
A
AA or BB or OO (any two identical alleles).
5
Q
Give an example of a Heterozygous Genotype using the ABO blood type gene.
A
AB or AO or BO (any two different alleles).
