Punnett squares/ Heredity/ and genes

Punnett squares/ Heredity/ and genes

6th - 8th Grade

16 Qs

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Punnett squares/ Heredity/ and genes

Punnett squares/ Heredity/ and genes

Assessment

Quiz

Science

6th - 8th Grade

Easy

NGSS
HS-LS3-1, HS-LS3-2, HS-LS3-3

Standards-aligned

Created by

Debora Shaffer

Used 1+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we use Punnett Squares?

To see what DNA the organism has.

to visually see and find the possible genotypes and phenotypes of offspring resulting from a cross between two individuals

to study and understand observable characteristics of an organism

To see if its a Boy or Girl

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following represents a homozygous genotype? There are two answers

AA

Aa

aa

ABa

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a Punnett square, what does each box represent? (Hint Comes from Mom and Dad)

A possible genotype combination of the parents

A different allele

A different trait

A possible phenotype

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the phenotype of an organism with the genotype "Bb"?

(Hint: Is the capital letter dominant or recessive? )

It will have no phenotype.

It will express the recessive trait.

The phenotype cannot be determined with this information.

It will express the dominant trait.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or false: In a Punnett square, the parents' genotypes are placed on the sides, and their possible offspring combinations are inside the grid.

True

False

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or false: A recessive trait will only be expressed if the organism has two copies of the recessive allele. ( aa, bb)

true

false

7.

MATCH QUESTION

1 min • 1 pt

Match the terms with their definitions.

Genotype

The genetic makeup of an organism.

Phenotype

An organism's physical appearance or observable traits.

Homozygous

Two identical alleles for a trait.

Heterozygous

Two different alleles for a trait.

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