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Biology Quiz 12.1: The Work of Gregor Mendel

Total questions: 10

Worksheet time: 7mins

Name
Class
Date
1.

an observable characteristic

a)

trait

b)

gene

c)

allele

d)

DNA

2.

A version or variation of a gene

a)

trait

b)

gene

c)

allele

d)

DNA

3.
What did Gregor Mendel use to discover the principles that rule heredity?
a)
Pea Plant
b)
Pigeons
c)
Pear trees
d)
Photosynthesis
4.

Passing traits on from organisms to offspring

a)

heredity

b)

gene

c)

phenotype

d)

allele

5.

father of modern genetics

a)

Charles Darwin

b)

Gregor Mendel

c)

James Watson

d)

Rosalind Franklin

6.

Allele that needs only ONE copy to be expressed. It "hides" or "covers up" the other allele.

a)

recessive

b)

dominant

c)

heterozygous

d)

incomplete dominance

7.

Allele that needs TWO copies to be expressed.

a)

trait

b)

heredity

c)

dominant

d)

recessive

8.

In a heterozygous organism, the dominant allele will mask the recessive one. The organism will show the dominant trait.

a)

law of motion

b)

principal of dominance

c)

law of independent assortment

d)

law of codominance

9.

Label each generation correctly.

10.

Traits that are masked by others are known as...

a)

recessive traits

b)

dominant traits