Humans can change a species' __________by choosing which organisms will reproduce.
Question 5
5.
How is natural selection different from artificial selection? Write a complete sentence.
Question 6
6.
How is natural selection similar to artificial selection? Write a complete sentence.
Question 7
7.
Question 8
8.
Question 9
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.
Question 11
11.
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
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
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
When humans breed organisms, they are selecting variations that occur naturally in populations
True
False
Breeders can choose a trait and only breed specific organisms to have offspring with that trait
True
False
Genetic engineering is the same thing as selective breeding.
True
False
Gene therapy is the replacement of missing or malfunctioning genes by using recombinant DNA.