Punnett Squares

What are these genes called?

BB

• homozygous dominant

• homozygous recessive

• heterozygous

• recessive

Tags

NGSS.HS-LS3-1

What are these genes called?

bb

• homozygous dominant

• homozygous recessive

• heterozygous

• dominant

What are these genes called?

Bb

• homozygous dominant

• homozygous recessive

• heterozygous

• allele

Which trait would show up for these genes?

Bb

(Mendelian/Regular Dominance)

• the dominant trait

• the recessive trait

• a third phenotype

• no trait shows

Tags

NGSS.MS-LS3-1

What does phenotype mean?

• the way your genes are

• the way you look

• homozygous dominant

• alleles

What does genotype mean?

• the way you look

• the way your genes are

• heterozygous

• homozygous

Show a punnett square where someone with blue eyes is crossed with someone who is heterozygous.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Show a punnett square for someone who is homozygous dominant crossed with someone who is homozygous recessive.

What percentage of bananas would be green?

(Green is dominant)

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS4-3

Show a punnett square for someone who is heterozygous crossed with someone who is homozygous dominant.

Tags

NGSS.HS-LS3-1