Genetics Quiz

What happens when the two copies of instructions for a trait are not the same?

• Both phenotypes are expressed equally.

• The recessive phenotype is expressed.

• The dominant phenotype is expressed.

• No phenotype is expressed.

What is this creature's phenotype for eye shape?

• EE

• Ee

• ee

• Round

• Narrow

What is the term for the genetic makeup (two alleles) that cause an organism's trait?

• Phenotype

• Genotype

• Chromosome

• Trait

What is the phenotype for the genotype "ee"?

• Narrow eyes

• Round eyes

• Flat eyes

• Pointy eyes

What is the genotype for the creature's eye shape?

• EE

• Ee

• ee

• Round

• Narrow

What is the genotype for a curved down mouth?

• MM

• Mm

• mm

• mM

What is the phenotype for the genotype "NN" in terms of nose shape?

• Flat

• Pointy

• Round

• Narrow

Which allele represents a narrow eye shape?

• E

• e

• N

• M

What is the phenotype for the genotype 'Mm'?

• Curve up mouth

• Curve down mouth

• Flat nose

• Pointy nose

What does the allele 'm' represent in the symbol key?

• Curve up mouth

• Curve down mouth

• Round eyes

• Narrow eyes