Genes

Question 1

Discrete variation

Answer 1

Members can be divided into distinct groups (blood type, hair colour)
Controlled by only one gene

Question 2

Single gene inheritance is

Answer 2

Controlled by only one gene

Question 3

Continuous variation

Answer 3

Varies in a smooth and continuous way

Height, shoe size

Question 4

Gene

Answer 4

A short section of DNA involved in controlling a characteristic

Question 5

Dominant Allele

Answer 5

Always shows up in an organisms appearance

Question 6

A recessive allele

Answer 6

only shows up if there are two of them

Question 7

Genotype

Answer 7

The alleles an organism has for a particular characteristic

Question 8

Phenotype

Answer 8

The physical appearance of an organism

Question 9

Heterozygous

Answer 9

A genotype with 2 different alleles for the same gene

Question 10

Homozygous

Answer 10

A genotype with 2 identical alleles for the same gene