Genetics Review

having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

Tags

NGSS.HS-LS3-1

If green is dominant over purple, then what is the genotype for this individual?

• Purple
• Green
• GG
• gg

Tags

NGSS.HS-LS3-1

Heterozygous is when...

• the alleles are the same.

• the alleles are different.

• the alleles are absent.

• the alleles are present.

Tags

NGSS.HS-LS3-2

When one allele is not dominant over the other, resulting in both traits expressed in a heterozygous individual.....

• Incomplete Dominance

• Codominance

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).

Cross a red flower with a speckled flower. What is the phenotypic ratio?

• 2 red, 2 speckled

• 2 red, 2 blue

• 2 blue, 2 speckled

Tags

NGSS.HS-LS3-3

This is an example of

• Complete dominance
• Mendelian Genetics
• Codominance
• Incomplete Dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If you cross a black guinea pig with a white guinea pig and the offspring are gray, what type of dominant trait would that be.

• incomplete dominance
• codominance
• codependant
• cooperative

Tags

NGSS.HS-LS3-1

In animals, shaggy fur is dominant to short fur. The Punnett Square shows the genotypes of the offspring of a shaggy fur animal and a short fur animal. What were the genotypes of the parents?

• FF and FF

• Ff and ff

• ff and ff

• Ff and Ff

Tags

NGSS.HS-LS3-1

In a Punnett square, a lower case letter stands for a ____________ allele.

• dominant

• recessive

• homozygous

• heterozygous

One form of a gene is called_______________

• a DNA
• a Phenotype
• a trait
• an allele

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2