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Genetics Review

Authored by Christopher Morrill

Biology

7th - 8th Grade

Used 1+ times

Genetics Review
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25 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?

100% BB
75% BB and 25%Bb
50 % BB and 50% Bb
50% Bb and 50% bb

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The man who studied genetics and came up with genetics is

Watson
Crick
Mendel
Darwin

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Genotype refers to the ...

physical expression of the genes
the possible combination of alleles in a gene
whether an allele is dominant or recessive
how an organism will appear

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Squidward has light blue skin, and his genotype for this trait is Bb. Which of the following would describe Squidward?

Purebred

Hybrid

Homozygous

Sex-linked

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

An offspring will receive how many alleles from each parent to determine a specific trait?

one
two
three
five

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is a phenotype?

BB
Bb
bb
Blue eyes

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is a phenotype

The genetic make up (code)
The physical trait

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