Genetic Crosses Flashcards
1
Q
What is a genotype
A
The allele pair for each characteristic
E.g: red petal, red petal, yellow petal
2
Q
What is a phenotype
A
The physical expression of an allele pair
E.g: Rr, RR, rr
3
Q
What is heterozygous
A
If the alleles in a matching pair are different, they are heterozygous
4
Q
What is homozygous
A
If the alleles in a matching pair are the same, they are homozygous
5
Q
What’s a punnet square
A
Shows the possible combinations, of alleles inherited from parents
6
Q
Dominant
A
An allele that is always expressed
7
Q
Recessive
A
An allele expressed only if inherited from both parents.
