Genetic Trait

The two alleles(types of genes) that control the phenotype are called

• phenotype

• genotype

• allele

• gene

The different forms of a gene

• trait

• phenotype

• genotype

• allele

The brown eye trait is dominant over blue eyes. Which of the following genotypes best represents the phenotype for blue eyes?

• BB

• Bb

• bb

• bB

Tags

NGSS.HS-LS3-1

The genotype for a yellow plant is...

• GG

• Gg

• gg

• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Aa, DD, Ba, and yy are all examples of ---

• genotypes

• phenotypes

Tags

NGSS.HS-LS3-1

Brown eyes are dominant over blue eyes. What is the probability that the offspring will have brown eyes in this cross?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

What is the phenotype of the heterozygous parent in the punnett square?

• green

• yellow

• hybrid

• purebred

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

Which genotype is hetrozygous?

• Bb

• BB

• DD

• dd

Which genotype is homozygous dominant?

• Bb

• bb

• BB

• Dd

Which genotype is homozygous recessive?

• Bb

• BB

• bb

• brown eyes

Tags

NGSS.HS-LS3-1