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Life Science 4.1 Review

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The scientific study of heredity is called fertilization.

a)

True

b)

False

2.

A hybrid organism is the offspring of many generations that have the same form of a trait.

a)

True

b)

False

3.

Capital letters are used to represent recessive alleles.

a)

True

b)

False

4.

Mendel called an individual that has one dominant allele and one recessive allele for a trait a purebred.

a)

True

b)

False

5.

Mendel said that the factors that control a trait exist in pairs.

a)

True

b)

False

6.

Mendel's experiments showed that the traits of an offspring were not a blend of the characteristics of the parents.

a)

True

b)

False

7.

What Mendel called factors are now called

a)

heredity.

b)

genes.

c)

purebred.

d)

traits.

8.

When parent plants are crossed, scientists refer to the first generation of offspring as

a)

P.

b)

F2.

c)

1F.

d)

F1.

9.

A seed can be round or wrinkled. Seed shape is

a)

a trait.

b)

an allele.

c)

a factor.

d)

a gene.

10.

The allele for a hybrid tall pea plant is represented as

a)

TT.

b)

Tt.

c)

tt.

d)

TS.