Genetics

The genotype BB would be considered

• homozygous recessive
• homozygous dominant
• heterozygous

The genotype Tt would be considered

• homozygous recessive
• heterozygous
• homozygous dominant

What chart is used to predict possible outcomes of offspring based on the genes of the parents?

• punnett square
• periodic table
• dihybrid cross
• T-chart

Which trait will always be expressed in the phenotype when present in the genotype?

• dominant trait
• recessive trait

Which trait will only be expressed in the phenotype when 2 alleles are present in the genotype?

• dominant trait
• recessive trait

Brown eyes are dominant to blue eyes. The following genotype will result in which phenotype?
Bb

• brown
• blue
• green
• hazel

Tags

NGSS.HS-LS3-1

Round face is dominant to oval face. The following genotype will result in which phenotype?
ff

• round 
• oval 
• square

Tags

NGSS.HS-LS3-2

If a red flower is dominant to a white flower, but a pink flower is produced, this is an example of

• incomplete dominance
• co-dominance 

If one parent is purebred dominant, what are the chances of them having an offspring that shows the recessive trait?

• 100%
• 25%
• 50%
• 0%

Tags

NGSS.HS-LS3-1

What must someones genotype be for their phenotype to show the recessive trait?

• homozygous dominant
• heterozygous
• hybrid
• homozygous recessive