Genes Flashcards
1
Q
Discrete variation
A
Members can be divided into distinct groups (blood type, hair colour)
Controlled by only one gene
2
Q
Single gene inheritance is
A
Controlled by only one gene
3
Q
Continuous variation
A
Varies in a smooth and continuous way
Height, shoe size
4
Q
Gene
A
A short section of DNA involved in controlling a characteristic
5
Q
Dominant Allele
A
Always shows up in an organisms appearance
6
Q
A recessive allele
A
only shows up if there are two of them
7
Q
Genotype
A
The alleles an organism has for a particular characteristic
8
Q
Phenotype
A
The physical appearance of an organism
9
Q
Heterozygous
A
A genotype with 2 different alleles for the same gene
10
Q
Homozygous
A
A genotype with 2 identical alleles for the same gene
