Lesson 2 Flashcards
1
Q
Probability
A
A number that describes how likely it is that an event will occur
2
Q
Punnet square
A
A chart that shows all possible ways alleles can combine in a genetic cross.
3
Q
Phenotype
A
A physical appearance, or visible trait
4
Q
Genotype
A
Genetic makeup, or alleles
5
Q
Homozygous
A
An organism that has two identical alleles.
6
Q
Heterozygous
A
An organism that has two different alleles for a trait
7
Q
Incomplete dominance
A
When one allele is only partially dominant
8
Q
Codominance
A
When both alleles for a gene are expressed equally.