If the Rice Already Had the Genes That Could Make

question 68

Multiple Choice

If the rice already had the genes that could make vitamin A, why did scientists use genes from other organisms?

• A) The scientists didn't know how to "turn on" the genes in the rice.
• B) It's easier to introduce genes from one species into another than from just one species.
• C) The rice genes didn't make the right type of vitamin A.
• D) Scientists could have just "turned on" the rice genes, but they wouldn't have learned anything from that process.
• E) It's easy to extract genes from bacteria.

---

Definitions:

Heritability

a statistic that indicates what proportion of the variation in a trait within a population can be attributed to genetic differences among individuals.

IQ Scores

Standardized measurements of a person's cognitive abilities and potential in comparison to a population.

Experimental Group

The group within an experiment that experiences the researcher’s manipulation of the independent variable.

Intelligence Test

A standardized assessment designed to measure a person’s cognitive abilities, skills, and potential to understand and solve problems.