Introduction to Genetics

Question 1

For each statement, choose the term that completes the sentence. play many roles in the body and determine many traits.In humans, is responsible for traits. is the blueprint for proteins.The section of DNA that codes for a specific trait is called .

Revolt · Accepted Answer

A: Chromosomes; B: Proteins; C: DNA; D: RNA; E: DNA; F: RNA; G: a gene; H: RNA

Question 2

The plants in the were allowed to self-pollinate.

Revolt · Accepted Answer

B: F1 generation

Question 3

Choose the appropriate vocabulary term to complete each statement.In Mendel’s crosses, the trait is visible in the F2 generation, but not the F1 generation.After crossing a tall pea plant with a short pea plant, all of Mendel’s pea plants were tall because it is the trait.For seed color, the F2 generation produced both yellow and green seeds because there are two different for each gene.

Revolt · Accepted Answer

A: dominant; B: recessive; C: dominant; D: recessive; E: alleles; F: traits

Question 4

A scientist hypothesizes that temperature affects the gender of a species of turtle. How can the scientist test this hypothesis?

Revolt · Accepted Answer

B: by exposing different groups of turtles to different sets of temperatures in a laboratory

Question 5

The plants in the are true breeding.

Revolt · Accepted Answer

A: P generation

Question 6

After a cross, there are three times as many tall plants as there are short plants in the .

Revolt · Accepted Answer

C: F2 generation

Introduction to Genetics Answers

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