Genetics Terminology

What is a phenotype?

• genetic makeup

• first generation of offspring

• two different genes for a trait

• physical characteristics

Long strands of DNA are wrapped into

• DNA

• Chromosome

• Alleles

• Phenotype

Which pair of alleles is an example of homozygous recessive?

• bb

• BB

• Bb

Tags

NGSS.HS-LS3-2

Which pair of alleles is an example of homozygous dominant?

• tt

• TT

• Tt

Tags

NGSS.HS-LS3-1

Which pair of alleles is an example of heterozygous alleles?

• ll

• LL

• Ll

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which is represented by a capital letter?

• dominant allele

• recessive allele

If capital T stands for tall stems and lowercase t stands for short stems, what would be the phenotype for the following genotype- Tt

• tall stems

• medium stems

• short stems

an organism with one dominant and one recessive gene for a trait.

• Trait

• Hybrid

• Heredity

• RNA

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed? (B=brown eyes and b=blue eyes)

• 0 %

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Cross (Dad)Bb X (Mom)BB. List the possible genotypes from this cross.

• BB, Bb, bb

• BB

• BB, Bb

• bb,Bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2