B6: Genes Flashcards
1
Q
What is an allele?
A
All genes exist in different versions called alleles. You have two alleles of every gene in your body - one chromosome in each pair.
2
Q
If an organism have two alleles for a particular gene that are the same, what is it?
What is it when the alleles are different?
A
Homozygous
Heterozygous
3
Q
How do you know an allele is dominant?
A
It’s a capital letter.
4
Q
How do you know an allele is recessive?
A
It’s a lower case letter.