Punnett Squares

Front

What is called when an organism has two identical alleles for a trait? TT or tt. RR or rr.

Back

Homozygous

Front

Scientists use capital and small letters to show the _____ of an organism.

Back

genotype

Front

An organism that has one dominant and one recessive allele for height is _____

Back

heterozygous

Front

In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being purple?

Back

100%

Tags

NGSS.HS-LS3-1

Front

In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?

Back

0%

Tags

NGSS.HS-LS3-3

Front

T - tall and t = short
In the punnett square below, what belongs in the missing square?

Back

tt

Tags

NGSS.HS-LS3-1

Front

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? Options: 0%, 25%, 50%, 75%

Back

50%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

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

Back

Bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

In the punnett square shown, what is the genotypes of the two parents?

Back

RR and WW

Tags

NGSS.HS-LS3-1

Front

Which of the following is a phenotype? Options: Aa, black hair, heterozygous genes, mutated DNA

Back

black hair