unit 7, inheritance Flashcards
1
Q
phenotype?
A
expression of genes, and its interaction within the environment
2
Q
genotype?
A
genetic constitution of an organism
3
Q
homozygous?
A
HH, hh
4
Q
heterozygous?
A
Hh
5
Q
recessive allele?
A
only expressed if no dominant is present
6
Q
dominant allele?
A
will always be expressed in phenotype
7
Q
monohybrid?
A
genetic inheritance cross of characteristics determined by one gene
8
Q
dihybrid?
A
genetic inheritance cross for a characterisitc determined by two genes
9
Q
codominant?
A
both alleles equally expressed in phenotype
10
Q
sex linkage?
A
gene whose locus is on x chromosome
11
Q
autosomal linkage?
A
genes located on same chromosome (not a sex chromosome)
12
Q
epistasis?
A
a gene masks or modifies expression of a different gene at a different locus
