6F Genetics & Heredity

"T" is dominant, "t" is recessive. If an organism has genes "Tt", which trait will be expressed?

• "T" dominant

• "t" recessive

"G" is dominant, "g" is the recessive version of a trait. If an organism has the genes "gg", which trait will be expressed?

• "G" dominant

• "g" recessive

For dragons, "W" is dominant and "w" is recessive. If a dragon has the genes "WW", which trait will be expressed?

• W

• w

Layla has brown hair. Which is the most likely explanation for the color of her hair?

• Her favorite color is brown.

• Her older brother has brown hair.

• Layla has a parent with brown hair.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What can you use to predict the traits of offspring when you know the genotype of the parents?

• A graph

• A data table

• A flow chart

• A Punnett square

Tags

NGSS.MS-LS3-2

What is the probability of a gg offspring?

• 1/4

• 2/4

• 3/4

• 4/4

Tags

NGSS.HS-LS3-3

What allele combination should go in the missing box?

• AA

• Aa

• aa

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If "A" is the dominant allele for pink roses, and "a" is the recessive allele for red roses, what percent of flowers in this cross will have pink roses?

• 1/4

• 2/4

• 3/4

• 4/4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

"S" is the dominant allele for smooth pea plants, while "s" is the recessive allele for wrinkled plants. If we cross two heterozygous round pea plants, what percent of the cross will be wrinkled?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.MS-LS4-4

In the Punnett square shown, what must the genotype of the missing parent be?

• BB

• Bb

• BB

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2