Punnett squares

Punnett squares

8th Grade

13 Qs

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Punnett squares

Punnett squares

Assessment

Quiz

Science

8th Grade

Medium

Created by

Quizizz Content

Used 25+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is a Punnett square?

A type of genetic mutation

A diagram used to predict the outcome of a genetic cross by showing the possible allele combinations from the parents.

A method for cloning organisms

A technique for measuring genetic diversity

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What do the letters in a Punnett square represent?

They represent the phenotypes of the offspring.

They represent the genotypes of the parents.

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

They represent the environmental factors affecting the traits.

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How do you determine the phenotype ratio from a Punnett square?

By counting the number of offspring with each phenotype and expressing it as a ratio.

By calculating the total number of alleles present in the offspring.

By analyzing the genotypes of the parents only.

By observing the physical traits of the parents before breeding.

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is an allele?

A type of chromosome that determines the sex of an organism.

A variant form of a gene that can produce different traits.

A process by which cells divide and replicate.

A structure that carries genetic information in the form of DNA.

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How can you identify the missing allele in a Punnett square?

By analyzing the known alleles of the parents and the resulting offspring.

By randomly guessing the alleles of the parents.

By using a genetic calculator to determine the alleles.

By consulting a geneticist for expert advice.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the phenotype of an organism?

The genetic makeup of an organism.

The observable physical or biochemical characteristics of an organism, determined by its genotype.

The evolutionary history of an organism.

The habitat in which an organism lives.

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the genotype of an organism?

The physical appearance of an organism.

The genetic makeup of an organism, represented by the combination of alleles (e.g., AA, Aa, aa).

The environment in which an organism lives.

The process by which traits are passed from parents to offspring.

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