Author Question: Controlled experiments are those that: A) require only a few replications because everything is ... (Read 73 times)

gbarreiro · **on:** Jul 22, 2018

Controlled experiments are those that:

A) require only a few replications because everything is rigorously controlled.
B) have an outcome that is only influenced by the factor being studied.
C) are performed in controlled environments such as greenhouses and growth chambers.
D) are most often used in ecological research.

Question 2

Genetic engineering:

A) is likely to completely replace traditionally breeding.
B) means a new trait will be expressed in an individual as soon as the gene is inserted.
C) allows genes from sexually incompatible individuals to be combined in one individual.
D) is the creation of a totally new gene from scratch.