N5 Biology - Unit 2.4

Differences in characteristics controlled by one single gene, which fall into distinct groups...

What type of variation is eye colour?

• Discrete

• Continuous

Characteristics which can be measured or have a range of values are called...

An individuals alleles for a particular characteristic...

• Genotype

• Phenotype

An individuals physical appearance based on the genotype

• Phenotype

• Genotype

Alleles represented by an uppercase letter are...

• Dominant

• Recessive

Alleles represented by a lowercase letter is...

• Recessive

• Dominant

Which allele will be shown in the phenotype?

• Recessive

• Dominant

Two alleles of the same form (AA or aa) are...

• Homozygous

• Heterozygous

• Recessive

• Dominant

Two alleles of different forms (Aa) are...

• Homozygous

• Heterozygous

• Dominant

• Recessive