Genetics Test Review

Organisms that have two identical alleles for one gene are said to be

• Hybrid
• Homozygous
• Heterozygous
• Dominant

Gametes are which of the following

• Sperm Cell
• Egg Cell
• Sex Cells
• All of the above

Based on the Punnett square in Figure 1, which of the following is correct if brown is dominant over green

• mother=brown eyes; father=green eyes
• mother =brown eyes; father=brown eyes
• mother=green eyes; father=green eyes
• mother=green eyes; father=brown eyes

Based on the dihybrid cross in the Figure, which genotype would correctly fill in the green blank?

• SY
• sY
• Sy
• sy

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An allele is a . . .

• section of DNA that codes for a specific trait

• section of the cell that codes for a specific trait

• different form of the same trait

• a trait

Tags

NGSS.HS-LS3-1

For every gene, how many alleles do you have?

• 1
• 2
• 3
• 4
• 5

Which word means the form of a gene that is WEAK. This trait is HIDDEN (if there is a dominant).

• Gene
• Dominant Allele
• Recessive Allele
• Phenotype

What does genotype mean?

• The physical charactersitics of an organism
• What an organism looks like
• How tall an organism is
• The genetic makeup of an organism

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

• 0 %
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

The cells produced via meiosis are called:

• sex cells
• somatic cells
• body cells
• skin cells

Tags

NGSS.HS-LS3-2