Who began the study of genetics with his work on pea plants in the 1850s?

The person who discovered genes in 1909

The person who devised Punnett Squares in 1905

What was discovered about chromosomes in 1940?

They follow Mendelian inheritance

They are shaped like a double helix

Who discovered the shape of DNA and in what year?

The person who discovered genes in 1909

The person who mapped the human genome in 2003

What does the expression of a trait refer to?

The physical appearance of a trait on a person

The genetic makeup of an individual

The number of genes involved in a trait

The process of inheriting traits from parents

A specific location on the DNA of a chromosome

When do recessive alleles show in an organism's appearance?

When they are the most powerful

They always show in an organism's appearance

Which statement is true about dominant alleles?

They often hide other genes and have the most influence on traits

They have the least influence on traits

They will show in an organism's appearance only when two of these are present

Which combination of alleles would most likely result in a person having blue eyes if blue eyes is recessive?

D) Cannot be determined from the information provided

If a person has one dominant allele 'B' and one recessive allele 'b', what eye color will they most likely have if Brown is dominant to blue?

D) Cannot be determined from the information provided

What does it mean for an organism to be homozygous?

Having two dominant genes or two recessive genes

Having one dominant and one recessive gene

Having two genes from different parents

What does it mean if an organism is heterozygous for a trait?

It has two different alleles for a trait

It has two identical alleles for a trait

It can only pass on the dominant allele to its offspring

It expresses the recessive trait

Can a heterozygous organism pass on both types of alleles to its offspring?

Yes, it can pass on either the dominant or the recessive allele

Yes, but only the dominant allele

Yes, but only the recessive allele

No, it cannot pass on any alleles

What is the purpose of a Punnett Square?

To predict the weather patterns

To calculate mathematical equations

What is the result of crossing a tall pea plant that is purebred with a short pea plant that is purebred?

All offspring are tall and purebred

Half of the offspring are tall, half are short

What is the phenotype of the offspring? (A-Brown hair; a-blond hair)

75 % Brown Hair and 25% Blond Hair

50 % Brown Hair and 50% Blond Hair

25 % Brown Hair and 75% Blond Hair

0% Brown Hair and 100% Blond Hair

Genetics Notes Review

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS3-1, HS-LS3-2, HS-LS1-1

+2

Standards-aligned

Angela Poole

Used 9+ times

FREE Resource

45 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many pairs of chromosomes are found in a human cell?

22 pairs

23 pairs

24 pairs

46 pairs

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where are genes located?

Inside the chloroplast

On the cell membrane

Within the mitochondria

On DNA

List these items from smallest to largest.

Genes, DNA, Chromosome, Nucleus

DNA, Genes, Nucleus, Chromosome

Genes, Chromosome, DNA, Nucleus

Genes, DNA, Nucleus, Chromosome

Who is known as the father of genetics?

Darwin

Watson

Mendel

Crick

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the tool used to predict the outcomes of a genetic cross?

Venn Diagram

Punnett Square

Bar Chart

Concept Map

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What term is used to describe an organism with two identical alleles for a trait?

Heterozygous

Homozygous

Dominant

Recessive

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What term is used to describe an organism with two different alleles for a trait?

Heterozygous

Homozygous

Dominant

Recessive

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Genetics Notes Review

45 questions

How many pairs of chromosomes are found in a human cell?

Where are genes located?

List these items from smallest to largest.

Who is known as the father of genetics?

What is the name of the tool used to predict the outcomes of a genetic cross?

What term is used to describe an organism with two identical alleles for a trait?

What term is used to describe an organism with two different alleles for a trait?

What term refers to the physical appearance of an organism as a result of its genotype?

What term refers to the set of genes of an organism?

Among the following terms, which one indicates that an allele is expressed over another in a pair of alleles?

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