Genetics Review

Which of the following is a phenotype?

• Aa
• red hair
• heterozygous
• DNA

Tags

NGSS.HS-LS3-2

Dominant alleles are represented by a:

• Male gene
• lowercase letter
• recessive trait
• capital letter

How many boxes would say BB?

• 1
• 2
• 4
• 0

Tags

NGSS.HS-LS3-1

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What allele combination should go in the missing box?

• AA
• Aa
• aa
• none of these

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If B = brown hair and b = blonde hair, what is the probability of brown hair?

• 25%
• 50%
• 0%
• 75%

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

In rabbits, black fur (B) is dominant over brown fur (b). If a rabbit has brown fur, what can you conclude about its genotype?

• It is BB.
• It is Bb
• It is brown
• It is bb.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A ________________________ is used to predict the possible genotype from certain parents

• Mendel Grid
• Genetic Tic Tac Toe
• Punnett Square
• Pedigree Plot

Tags

NGSS.HS-LS3-3

What percent of offspring will have the recessive trait?

• 25
• 50
• 75
• 100

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What is a phenotype

• The genetic make up (code)
• The physical trait

Tags

NGSS.HS-LS3-1