Genetics Review 2019

Having two different alleles for a trait (example Hh):

• homozygous
• heterozygous
• dominant
• purebred

Two heterozygous parents produce offspring. What is the probability of the RECESSIVE PHENOTYPE appearing in the offspring generation?

• 75%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Two heterozygous parents produce offspring. What is the probability of the HOMOZYGOUS DOMINANT GENOTYPE appearing in the offspring generation?

• 75%
• 25%
• 50%
• 100%

Two heterozygous parents produce offspring. What is the probability of the HOMOZYGOUS RECESSIVE GENOTYPE appearing in the offspring generation?

• 75%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS3-3

Two heterozygous parents produce offspring. What is the probability of the HETEROZYGOUS GENOTYPE appearing in the offspring generation?

• 75%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS3-3

Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?

• height
• the scar
• ability to swim
• ability to play drums

Tags

NGSS.HS-LS3-1

Magda is a tall, 11 year old drummer. She has brown eyes and naturally curly hair. Which of her traits did Magda most likely acquire?

• height
• curly hair
• eye color
• ability to play drums

Tags

NGSS.HS-LS3-1

Which of the following is NOT a genotype?

• heterozygous
• black spots on fur
• Bb
• homozygous recessive

What is another way of saying "hybrid"?

• heterozygous
• homozygous dominant
• homozygous recessive
• none of these choices

What is the cause of some traits "skipping" a generation?

• dominant traits
• recessive traits
• hybrid alleles
• homologous chromosomes