Genetics Test Review

What type of blood can a baby have if mom is heterozygous type B and dad is heterozygous type A?

• all blood types

• only type O

• type AB and O

• type A or type B

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many marriages are shown in the pedigree?

• 4

• 5

• 2

• 1

Which of the following is homozygous recessive?

• rr

• AA

• TT

• Ff

The alleles that an organism has/inherits are its

• genotype

• phenotype

• chromosome

• recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An allele that is masked when a dominant allele is present. The "weaker" gene. 

• Dominant Allele

• Recessive Allele

An allele whose trait always shows up in the organism when the allele is present. The "stronger" gene. 

• Dominant Allele

• Recessive Allele

What is called when a organism has  two different alleles for a trait. Tt or Rr

• Heterozygous

• Homozygous

• Domozygous

• Thermozygous

What is called when a organism has two identical alleles for a trait. TT or tt. RR or rr

• Heterozygous

• Homozygous

• Domozygous

• Thermozygous

In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being purple?

• 25%

• 0%

• 100%

• 50%

Tags

NGSS.HS-LS3-1

In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?

• 25%

• 0%

• 100%

• 50%