Search Header Logo

Punnet Squares

Authored by Sean Taylor

Biology

KG - University

NGSS covered

Used 10K+ times

Punnet Squares
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

About

This quiz focuses on Punnett squares and Mendelian genetics, covering fundamental concepts of heredity and inheritance patterns. The content is appropriate for 9th-10th grade high school biology students who are learning basic genetic principles. Students need to understand dominant and recessive alleles, distinguish between genotype and phenotype, calculate probability ratios from genetic crosses, and interpret the meaning of homozygous dominant, homozygous recessive, and heterozygous genotypes. The questions assess students' ability to analyze inheritance patterns, determine genotypic and phenotypic ratios, identify which parent genotypes can produce specific offspring, and understand how recessive traits are expressed. Students must also grasp the predictive nature of Punnett squares and how they demonstrate the mathematical probability of genetic outcomes in offspring. Created by Sean Taylor, a Biology teacher in the US who teaches grades K-University. This quiz serves as an effective formative assessment tool to gauge student understanding of basic genetic concepts before moving on to more complex inheritance patterns. Teachers can use it as a warm-up activity to review prior learning, assign it as homework to reinforce classroom instruction, or implement it as guided practice during genetics units. The quiz works well for identifying common misconceptions about dominance, recessiveness, and probability calculations that students often struggle with in introductory genetics. It aligns with NGSS standards HS-LS3-2 (making and defending claims based on evidence that inheritable genetic variations may result from new genetic combinations) and HS-LS3-3 (applying concepts of statistics and probability to explain variation and distribution of expressed traits in a population).

    Content View

    Student View

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Both parents in this Punnet square

are homozygous dominant
are homozygous recessive
are heterozygous
have blue eyes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Axial flowers is dominant to terminal. What is the probabilty of offspring being terminal?

1/4
2/4
3/4
4/4

Tags

NGSS.HS-LS3-3

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

The genotypic ratio here is

25% blue eye 75 % brown eye 
BB = 25% Bb = 50% bb = 25%
BB= 50 % bb = 50%
All brown eye

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How many boxes would say BB?

1
2
4
0

Tags

NGSS.HS-LS3-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Brown is dominant to green. What is the probability of these parents having green offspring?

1/4

2/4

3/4

4/4

Tags

NGSS.HS-LS3-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the genotypic ratio here

TT = 25% Tt= 50% tt=25%
all tall
TT= 75% tt = 25%
Tt = 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

The dominant trait is

yellow pea seeds
green pea seeds
there is no dominant seed
Jolly green giant

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?