Biology Practice Final Second Semester

Where do your chromosomes come from?

• 25% from mom, 75% from dad
• 50% from mom, 50% from dad
• 75% from mom, 25% from dad
• 100% from mom, 0% from dad

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many allele(s) does every parent pass down to their offspring PER TRAIT?

• 0
• 1
• 2
• 3

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A trait that shows a lot of variation and is controlled by many genes is called

• codominance
• multiple alleles
• polygenic trait
• incomplete dominance

Red is dominant to yellow. If a homozygous red plant is crossed with a homozygous yellow plant, which form form will not show up in the first generation?

• recessive
• dominant
• hybrid
• heterozygous

Tags

NGSS.HS-LS3-1

In humans, the sex of the offspring is determined by 

• temperature of the womb
• the mother
• the father
• the nutrients that the mother has in her body

Tags

NGSS.HS-LS3-1

What is a gene

• a segment of DNA that codes for a protein
• a tightly coiled group of chromosomes
• scientists are still uncertain 
• how messages are sent between cells in the body

Tags

NGSS.HS-LS1-1

All of the following are examples of homozygous genotypes EXCEPT

• HH
• Hh
• hh
• XX

Tags

NGSS.HS-LS3-1

Widow's peak is dominant to no widow's peak. If a child has a widow's peak and her father does not..What is her mother's genotype?

• Aa
• AA
• aa
• could be any of these

Tags

NGSS.HS-LS3-1

A white cat and a black cat have all grey kittens. What type of inheritance is this?

• sex-linked trait
• codominance
• incomplete dominance
• multiple alleles

Tags

NGSS.HS-LS3-1

In frogs, red eyes are dominant to yellow eyes. If a heterozygous frog mates with a yellow-eyed frog, what % of the offspring should have yellow eyes?

• 25%
• 50%
• 75%
• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2