7th Grade 4.1.3 Quiz

Last updated almost 3 years ago

11 questions

7th Grade 4.1.3 Quiz

Last updated almost 3 years ago

11 questions

Question 1

The average size of a grocery store chicken has more than doubled in the past century. What is the most likely reason for this change?

Mutations occur less frequently in chickens than they did a century ago

Artificial selection created a larger breed of chicken

Grocery stores used to sell younger chickens

Natural selection resulted in a larger species of chicken

Question 2

How do mutations affect natural selection?

They slow down the process

They are the leading cause of extinction

They prevent organisms from evolving

They affect how likely an organism is to survive and reproduce

Question 3

How is genetic engineering different from artificial selection?

Genetic engineering enables humans to directly change DNA

Genetic engineering enables humans to influence the inheritance of DNA

Genetic engineering is not yet possible to edit the genetic code

Genetic engineering can only be used on animal DNA

Question 4

Humans can change a species' __________by choosing which organisms will reproduce.

Question 5

How is natural selection different from artificial selection? Write a complete sentence.

Question 6

How is natural selection similar to artificial selection? Write a complete sentence.

Question 7

When humans breed organisms, they are selecting variations that occur naturally in populations

True

False

Question 8

Breeders can choose a trait and only breed specific organisms to have offspring with that trait

True

False

Question 9

_______ and _______ are some traits that are selectively bred into fruits and vegetables. (There are several different responses that can go in the blanks. The responses can be phrases or single words.)

Question 10

10.

Genetic engineering is the same thing as selective breeding.

True

False

Question 11

11.

Gene therapy is the replacement of missing or malfunctioning genes by using recombinant DNA.

True

False