Genetics

G = green, g = yellow
The genotype for a yellow plant is...

• GG

• Gg

• gg

• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Aa, DD, bB, yy are all examples of

• genotypes

• phenotypes

Which of the following genotypes is heterozygous?

• Bb

• BB

• bb

• B

In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?

• rr

• R

• RR

• RR or Rr

Tags

NGSS.HS-LS3-2

How many alleles (letters) do each person carry for a trait?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

How many alleles (letters) does a child get from each parent for each trait?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

Which of the following is a phenotype?

• Aa

• red hair

• heterozygous

• DNA

W=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?

• none

• 3/4

• 1/2

• all

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.

• DNA

• protein

• RNA

• glucose nucleic acid (GNA)

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

• recessive

• dominant

• lower case letter

• both