Free Printable Genetics Review

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Genetics Review

Total questions: 17

Worksheet time: 34mins

Name

Class

Date

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

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

one

two

three

five

Which of the following is a phenotype?

Blue eyes

having two of the same genes for the trait (sometimes called purebred).

homozygous

hetrozygous

protein

chromosome

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

0 %

25%

50%

75%

One form of a gene is called_______________

a DNA

a Phenotype

a trait

an allele

Brown fur color is dominant over black fur color. Which of the following is the actual genotype of ALL of the offspring in the next generation of this cross for fur color?
AA x aa

brown fur

Recessive alleles are-

capital

lowercase

both

neither

The "Father of Genetics"

Isaac Newton

Gregor Mendel

Albert Einstein

Robert Hooke

10.

The observable traits of an organism are known as its

allele

dominance

phenotype

genotype

11.

The variety of genes and alleles that exist in organisms

independent assortment

chromosomal abnormalities

genetic diversity

mutations

12.

This law describes how each member of a homologous pair is pulled randomly to one side or another in anaphase I

Law of Segregation

Law of Independent Assortment

Law of Gravity

Law of Mathematical Order

13.

This law describes how each homologous pair separates independently of any other pairs during Anaphase I of meiosis

Law of Segregation

Law of Independent Assortment

Law of Gravity

Law of Mathematical Order

14.

An allele is

another word for a gene

a homozygous genotype

a heterozygous genotype

one of several possible forms of a gene

15.

If your genotype is Bb, then you can only pass a B or b to your child but you can't pass both.

Law of Dominance

Law of Segregation

Law of Independent Assortment

16.

genotype

the allele combination of an organism

different forms of genes

alleles for traits are the same

factors that determine traits

17.

Dominant alleles are represented with a:

capital letter

lower case letter

shape

symbol

100 %

Genetics Review

Total questions: 17

Worksheet time: 34mins

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