Genetics Flashcards
(13 cards)
1
Q
Gene?
A
Inherited piece of DNA
2
Q
Allel?
A
Different varieties in gene
3
Q
Genotype?
A
2 inherited alleles represented by letters
4
Q
Phenotype?
A
Physical representation of the genotype
5
Q
What is the allel that appears in the absence of the dominant?
A
Recessive
6
Q
Homozygous?
A
Same alleles
7
Q
Heterozygous?
A
Different alleles
8
Q
Where is Monohybrid genes found?
A
Autosomes - first 22 pairs
9
Q
Explain incomplete dominance?
A
2 alleles MIX to create a new heterozygous phenotype
- 3 types of phenotype is possible
10
Q
Explain Codominance?
A
Both alleles show up equally NO MIX!
11
Q
Test Cross?
A
Cross with homozygous recessive
12
Q
Explain Dihybrid
A
- 2 genes
- autosomal
- discovered by Mendel
13
Q
Explain Epistatic?
A
2 genes and 1 gene impacts the expression of the other