Genetics Review Biology

When 2 dominant alleles (HB) are both expressed are said to be

• codominant

• diploid

• incomplete dominant

How many recessive alleles for a trait must an organism inherit in order to show that trait?

• 3

• 1

• 2

What percent of children will be normal?

• 50%

• 25%

• 0%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A characteristic that is passed from parents to offspring is called a ____

• Allele

• Trait

• Gene

Tags

NGSS.HS-LS3-1

Small Pieces of DNA are called ______.

• Traits

• Genes

• Alleles

Tags

NGSS.HS-LS3-1

A woman has blood type O (oo) and she marries a person with blood type AB. What possible blood types can the children have?

• Type A; Type B

• Type A; Type B; Type AB

• Type O, Type AB

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A woman has blood type O (oo) and she marries a person with blood type AB. The baby has blood type AB. Is it possible this is the father of the baby?

• yes

• no

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What does rr represent?

• red

• pink

• white

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If 1 red and 1 white flower is crossed, what percent of their offspring are expected to be pink-flowers?

• 100%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

How many people have the trait?

• 1

• 3

• 2

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3