Genetics--Review for Quiz (through Types of Dom)

A phenotype is

• purebred
• a combination of alleles present in an organism
• the physical appearance
• a person's traits

Tags

NGSS.MS-LS1-5

The genotype for an individual that has 1 dominant and 1 recessive allele is 

• purebred
• homozygous
• heterozygous
• different

An offspring will receive how many genes from each parent to determine a specific trait?

• one

• two

• three

• five

Tags

NGSS.HS-LS3-1

Two heterozygous (Tt) tall pea plants are crossed. What is the 'phenotypic ratio' of their offspring?

• 1:2:1

• 2:2

• 3:1

• 4:0

Tags

NGSS.HS-LS3-1

Two parents who are heterozygous for dimples have a baby. What is the chance the baby who doesn't have dimples?

• 0 %

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Which of the following is the genotype of an individual who would show the recessive trait?

• Tt

• tt

• TT

• t

In the Punnett square below, what percentage of the offspring have the dominant trait?

• 75%

• 50%

• 25%

• 0%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Which of the following is hybrid?

• BB

• bb

• Bb

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

What does a Punnett Square help you do?

• Determine the ratio of phenotypes
• Determine the ratio of genotypes
• Predict possible traits the offspring will have
• All of the above

Tags

NGSS.HS-LS3-3