Punnett Squares

Punnett Squares

Assessment

Flashcard

Science

7th Grade

Hard

NGSS
HS-LS3-3, HS-LS4-3, MS-LS4-4

+1

Standards-aligned

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a Punnett Square?

Back

A Punnett Square is a diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles from the parents.

2.

FLASHCARD QUESTION

Front

What do the letters in a Punnett Square represent?

Back

The letters represent alleles, where uppercase letters denote dominant alleles and lowercase letters denote recessive alleles.

3.

FLASHCARD QUESTION

Front

What is the probability of getting a recessive trait in a Punnett Square with a Bb x Bb cross?

Back

25%.

Tags

NGSS.HS-LS3-3

4.

FLASHCARD QUESTION

Front

What is the genotype for brown fur in the given example?

Back

B (dominant allele for brown fur).

5.

FLASHCARD QUESTION

Front

What is the phenotype for the genotype 'bb'?

Back

White fur (since 'b' is the recessive allele).

6.

FLASHCARD QUESTION

Front

What does it mean if an organism is homozygous?

Back

It means the organism has two identical alleles for a particular gene (e.g., BB or bb).

7.

FLASHCARD QUESTION

Front

What does it mean if an organism is heterozygous?

Back

It means the organism has two different alleles for a particular gene (e.g., Bb).

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