punnett squares

AA and Aa always show up as

• dominant

• recessive

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

Tongue rolling is dominant over not being able to roll your tongue. Let's use the letter "T" to represent the alleles. Which letter would represent the dominant allele?

• t

• T

The genotype "tt" is ____.

• heterozygous

• homozygous recessive

• homozygous dominant

Hair color is an example of

• genotype

• phenotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's genotype?

• BB
• bb
• Bb
• bB

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

The genotype of:  Heterozygous Course Hair  will have the alleles of...

• Hh
• HH
• hh

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This trait will always be expressed if present because it will mask the expression of others

• stem cells
• heterozygous
• dominant
• recessive

Tags

NGSS.HS-LS3-1

T - tall and t = short

In the punnett square below, what belongs in the missing square

• tt

• Tt

• Bb

• TT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2