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chapter 13 test

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

click the answers of each organism that has been produced by selective breeding.

a)

horses

b)

dogs

c)

cats

d)

potatoes

2.

hybrids are often hardier than either of the parents.

a)

true

b)

false

3.

to maintain the desired characteristics of a line of organisms, breeders often use hybridization.

a)

true

b)

false

4.

The genetic variation that exists in nature is enough to satisfy the needs of breeders

a)

true

b)

false

5.

What is an inheritable change in DNA

a)

mutation

b)

tarit

c)

variation

d)

genotype

6.

a cross between dissimilar individuals to bring together their best characteristics is called.

a)

hybridization

b)

genetic engineering

c)

inbreeding

d)

sequencing

7.

crossing individuals with similar characteristics so that those characteristics will appear in the offspring is called

a)

inbreeding

b)

electrophoresis

c)

hybridization

d)

genetic engineering

8.

varieties of purebred doggo and puppers are maintained by

a)

inbreeding

b)

selective breeding

c)

hybridization

d)

genetic engineering

9.

changing the DNA of a organism is called

a)

genetic engineering

b)

hybridization

c)

selective breeding

d)

inbreeding

10.

DNA can be cut into shorter sequences by proteins known as

a)

restriction enzymes

b)

plasmids

c)

selective breeding

d)

inbreeding