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monohybrid punnett square intro

Authored by Kaitlin Shivley

Science

9th - 12th Grade

NGSS covered

Used 6+ times

monohybrid punnett square intro
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10 questions

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1.

CATEGORIZE QUESTION

2 mins • 9 pts

Categorize the following as homozygous dominant, homozygous recessive, or heterozygous

Groups:

(a) Hom dominant

,

(b) hom recessive

,

(c) heterozygous

LL

Mm

ee

aa

Bb

HH

RR

Tt

tt

Tags

NGSS.HS-LS3-1

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A pea plant with yellow pods (homozygous dominant, YY) is crossed with a pea plant with green pods (homozygous recessive, yy). Determine the genotypic ratios of the offspring.

2 YY
2 yy

2 YY
1 Yy
1 yy

1 YY

2 Yy
1 yy

4 Yy

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A pea plant with yellow pods (homozygous dominant, YY) is crossed with a pea plant with green pods (homozygous recessive, yy). Determine the phenotype ratios of the offspring.

2 yellow; 2 green

1 yellow; 3 green

4 yellow

4 green

3 yellow; 1 green

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

In watermelons, green rinds (G) are dominant to striped rinds (g). What is the genotype of a heterozygous green watermelon?

GG

Gg

gg

green

Answer explanation

Correct! Heterozygous genotypes have one dominant and one recessive trait. In this case, that would be Gg.

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Aa, DD, Bb, yy are all examples of

genotypes

phenotypes

Answer explanation

Correct! Genotypes are the genes an organism has that help code for proteins giving the phenotype (physical expression of the trait)

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

T - tall and t = short

In the punnett square below, what belongs in the missing square

tt

Tt

Bb

TT

Answer explanation

Correct! One parent gives a t in their gamete, and the other parent does as well, giving the genotype tt in the offspring.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What allele combination should go in the missing box?

AA
Aa
aa
none of these

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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