Quizizz: Genetics Test

In a trait such as hair color, what is the term that describes different versions of the trait, such as dark brown and black.

• genotype

• allele

• homozygous

• dominant

In plants, purple flowers are dominant to white. The genotype PP would be...

• purple

• white

In guinea pigs, short hair is dominant to long hair. The genotype Hh would be...

• long hair

• short hair

In guinea pigs, short hair is dominant to long hair. What would be the genotype for a heterozygous guinea pig?

• HH

• Hh

• hh

In genetics, the DNA sequence for a trait is represented by the ...

• Phenotype

• Genotype

In guinea pigs, black eyes (B) are dominant to red eyes (b). Show offspring of the cross between bb and BB. 

• half bb and half BB

• half Bb and half bb

• all BB

• all Bb

• all bb

T - tall and t = short

In the Punnett square below, what belongs in the missing square?

• tt

• Tt

• Bb

• TT

How is the Punnett Square set up?

• Parents genotypes on the inside and offspring is on the outside

• The genotypes of each parent are on the sides and the offspring is in the boxes

• Grandparents genotypes on the sides and offspring in the box

For this Punnett square, what percentage of the offspring will be short?

• 25%

  (1/4)

• 50%

  (2/4)

• 75%

  (3/4)

• 100%

  (4/4)

Which term correctly describes the genotype hh?

• homozygous dominant

• heterozygous

• homozygous recessive

• unable to determine