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Monohydride

Authored by Charles Martinez

Biology

9th Grade

NGSS covered

Monohydride
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19 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Chickens have different types of feathers. Frizzled feathers curl towards a chicken's head. Assume that feather type is determined by a single gene and that the allele for frizzled feathers is dominant over the allele for straight feathers. In a cross between two chickens with straight feathers, what percentage of the offspring can be expected to have frizzled feathers?

0%

25%

50%

100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In labrador retrievers the allele for a black coat color (B) is dominant over the allele for a brown coat color (b). If a brown labrador retriever is crossed with a heterozygous black labrador retriever, which of the following genotypic ratios can be expected?

0 BB: 2 Bb: 2 bb

1 BB: 2 Bb: 1 bb

2 BB: 0 Bb: 2 bb

2 BB: 1 Bb: 0 bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

A homozygous dominant round seeded plant is crossed with a homozygous recessive wrinkled seeded plant. What are the genotypes of the parents?

RR X rr
Rr X rr
rr X rr
RR X Rr

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

which are the gametes for parent who are heterozygous

Hh x hh

HH x HH

Hh x Hh

hh x hh

Tags

NGSS.HS-LS3-1

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

if all offsprings are hybrid, what are the parents

HH x Hh

HH x hh

hh x hh

Hh x Hh

Tags

NGSS.HS-LS3-2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If a heterozygous tall pea plant is crossed with a short pea plant, what are the possible genotypes of the future offspring?

100% Tt
50% Tt, 50% tt
75%Tt, 25%tt
25%TT, 50%Tt, 25%tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

T - tall and t = short
In the punnett square below, what belongs in the missing square

tt
Tt
Bb
TT

Tags

NGSS.HS-LS3-1

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