inherited characteristics Flashcards
1
Q
define a gene
A
a section of DNA found in a chromosome that codes for a specific polypeptide
2
Q
define an allele
A
different versions of the same gene
3
Q
define a locus
A
position of a gene or chromosome
4
Q
what are the two types of homozygous alleles
A
homozygous dominant
homozygous recessive
5
Q
give an example of homozygous dominant
A
AA
6
Q
give an example of homozygous recessive
A
aaa
7
Q
what is a hetrozygous allele
A
one of both dominant and recessive Aa
8
Q
define codominance
A
combination of features or both features represented
9
Q
give two examples of things that have multiple alleles
A
human blood (A,B,O)
hair colour
