Phenotypes and Genotypes

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

• recessive

• dominant

• lower case letter

• both 

Hair colour is an example of

• genotype

• phenotype

Tags

NGSS.HS-LS3-1

Which of the following is the correct definition for a genotype?

• The physical expression of a gene. (Characteristics)

• A strand of DNA made up of multiple mutations.

• The expression of one of your parents traits.

• The set of genes in our DNA which is responsible for a particular trait.

Which of the following genotypes is homozygous dominant?

• A

• Aa

• AA

• aa

What is the genotype for long ears?

• EE only

• EE,Ee

• Ee only

• Ee,ee

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following genotypes is purebred dominant?

• AA

• Aa

• aa

What is a genotype?

• an organism's physical appearance

• an organism's genetic make-up

• an organism's amount of chromosomes

Tags

NGSS.HS-LS3-1

If two alleles are the same for a certain trait they are considered

• Homozygous

• Twins

• Heterozygous

• Common

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following genotypes is purebred recessive?

• a

• aa

• Aa

• AA

Which of the following genotypes is hybrid?

• AA

• Aa

• aa