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Genetics

Authored by Lisa Thompson

Science

7th Grade

NGSS covered

Genetics
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A genotype where only dominant alleles were passed on

from both parents for one trait

BB AA TT LL

Homozygous Recessive

Homozygous Dominant

Dihybrid

Heredity

Tags

NGSS.HS-LS3-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A genotype where only recessive alleles

were passed on from both parents for one trait

bb aa tt ll

Heredity

Homozygous Dominant

Homozygous Recessive

Phenotype

Tags

NGSS.HS-LS3-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

genotype where one dominant and one recessive allele was passed on from both parents for one trait.

Bb Aa Tt Ll

Allele

Homozygous Dominant

Homozygous Recessive

Heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The observable traits dictated by the genotype

Phenotype

Genotype

Homozygous Recessive

Homozygous Dominant

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The genetic cross between two parents for one trait:

Example BB x bb

B = dominant for brown

b = recessive for blue

Incomplete Dominance

Dihybrid Cross

Monohybrid Cross

Iron Cross

Tags

NGSS.HS-LS3-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a heterozygous dominant genotype?

GG

gg

GGG

Gg

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

D = dimples        d = no dimples 
What is the genotype for a homozygous recessive offspring?

DD

Dd

dd

Tags

NGSS.HS-LS3-1

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