Genetics Review

A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?

• 25%
• 50%
• 75%
• 100%

Tags

NGSS.HS-LS3-1

This is an example of what?

• Complete dominance
• Incomplete dominance
• Codominance
• None of the above

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If T=Tall & t=short, what is the genotypic ratio?

• 1:3
• 3:1
• 1:2:1
• 2:2

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

A heterozygous yellow pea plant's genotype would be:

• YY
• yy
• Yy
• Yg

Tags

NGSS.HS-LS3-1

Incomplete dominance means that the traits are

• expressed equally
• dominant
• recessive
• blended

Term for homozygous organisms that display two dominant phenotypes at the same time

• codominance
• incomplete dominance
• multiple alleles
• linked genes

Tags

NGSS.HS-LS3-1

What allele combination should go in the missing box?

• AA
• Aa
• aa
• none of these

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many boxes would say BB?

• 1
• 2
• 4
• 0

Tags

NGSS.HS-LS3-1

This is the expression of alleles. It is the observable trait we can see _________________

• Dominant
• Homozygous
• Genotype
• Phenotype

Tags

NGSS.HS-LS3-1

This type of allele masks the recessive allele and is capital ________________

• Dominant
• Homozygous
• Genotype
• Phenotype

Tags

NGSS.HS-LS4-3