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Intro to gentics

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

Who is known as the 'Father of Genetics'?

a)

Isaac Newton

b)

Charles Darwin

c)

Gregor Mendel

d)

Albert Einstein

2.

What organism did Gregor Mendel perform his famous experiments on?

a)

Mice

b)

Pea plants

c)

Yeast

d)

Fruit flies

3.

What does a dominant trait mean?

a)

A trait that has no visible effect on the organism

b)

A trait that is rare in the population

c)

A trait that, when inherited, will cover over or be more powerful than another trait

d)

A trait that, when inherited, will be hidden by another trait

4.

If an organism is heterozygous for a trait, what does this mean?

a)

It has two identical alleles for a trait

b)

It has two different alleles for a trait

c)

It does not have any alleles for a trait

d)

It has mutated alleles for a trait

5.

What is the phenotype?

a)

The genetic makeup of an organism

b)

A type of gene that is dominant

c)

The physical appearance of an organism as a result of its genotype

d)

A type of gene that is recessive

6.

What are alleles?

a)

Types of genetic diseases

b)

Versions of a gene

c)

Cells that contain genetic material

d)

Proteins that determine traits

7.

What year did Gregor Mendel start his experiments with pea plants?

a)

1923

b)

1856

c)

1865

d)

1901

8.

What is genetics?

a)

The study of diseases

b)

The study of cells

c)

The study of heredity and the variation of inherited characteristics

d)

The study of proteins

9.

What happens if an organism has two recessive alleles for a trait?

a)

The organism will have a mutation

b)

The trait will not be expressed

c)

The recessive trait will be expressed

d)

The dominant trait will be expressed

10.

How did Gregor Mendel use mathematics in his study of genetics?

a)

To measure the height of pea plants accurately

b)

To explain heredity using the mathematics of probability

c)

To determine the chemical composition of genes

d)

To calculate the age of pea plants

11.

How many pairs of chromosomes do humans typically have?

a)

23

b)

46

c)

12

d)

92

12.

What is the molecule called that carries genetic information?

a)

Protein

b)

Carbohydrate

c)

DNA

d)

Lipid

13.
What does " DNA " stand for? 
a)
deoxyribonucleic acid
b)
deriboxynucleic acid
c)
detoxicnoxyic acid
d)
none of these
14.

What is a gene?

a)

A part of DNA that codes for a specific trait

b)

A type of chromosome

c)

A cell that carries genetic information

d)

A protein that helps in cell division