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Worksheets

Genetics and Heredity

Total questions: 20

Worksheet time: 9mins

Name
Class
Date
1.
The inherited combination of alleles is called the ______
a)
genotype
b)
phenotype
c)
chromosome
d)
DNA
2.
An organism's inherited appearance is called _______.
a)
genotype
b)
phenotype
c)
chromosome
d)
DNA
3.
Purple flowers are dominant to white flowers. What would the phenotype for a flower with genotype pp be?
a)
purple
b)
white
c)
pink
d)
yellow
4.
Purple flowers are dominant to white flowers. What would the phenotype for a flower with genotype Pp be?
a)
purple
b)
white
c)
pink
d)
yellow
5.
Purple flowers are dominant to white flowers. What would the phenotype for a flower with genotype PP be?
a)
purple
b)
white
c)
pink
d)
yellow
6.
A trait that is apparent only when two recessive alleles for the same characteristic are inherited is called
a)
dominant
b)
recessive
c)
homozygous
d)
heterozygous
7.

How many chromosomes are present in a human cell nucleus?

a)

23 chromosomes or 46 pairs

b)

46 pairs or 92 chromosomes

c)

46 chromosomes or 23 pairs

d)

32 chromosomes or 16 pairs

8.

These are the basic building blocks of all living things.

a)

Cells

b)

DNA

c)

Genes

d)

Chromosomes

9.

This is the "Father of Modern Genetics."

a)

Gregor Mendel

b)

James Watson

c)

Francis Crick

d)

Charles Darwin

10.

These are characteristics passed on from parent to offspring.

a)

Inherited Traits

b)

Acquired Traits

c)

Dominant Traits

d)

Recessive Traits

11.

These are learned traits that are not passed down.

a)

Inherited Traits

b)

Acquired Traits

c)

Dominant Trait

d)

Recessvie Trait

12.

Inherited or acquired? riding a bike

a)

inherited

b)

acquired

13.

Inherited or acquired? attached earlobes

a)

inherited

b)

acquired

14.

Is a spider spinning a web a learned behavior or an instinct?

a)

learned behavior

b)

instinct

15.

Is curly hair an inherited trait or an acquired trait?

a)

inherited

b)

acquired

16.

Is animals staying away from something after a bad encounter a learned behavior or an inherited trait?

a)

learned behavior

b)

inherited trait

17.

Is hair style an inherited trait or an acquired trait?

a)

inherited

b)

acquired

18.

Is a baby breathing an instinct or a learned behavior?

a)

instinct

b)

learned behavior

19.

Is a bear hibernating an instinct or a learned behavior?

a)

instinct

b)

learned behavior

20.

Which of the following is not an inherited trait of a plant?

a)

red flower

b)

broken stem

c)

long stem

d)

five petals