A Plantlike Organism on the Planet Pandora Can Have Three

question 10

Multiple Choice

A plantlike organism on the planet Pandora can have three recessive genetic traits: bluish leaves,due to an allele (a) of gene A;a feathered stem,due to an allele (b) of gene B;and hollow roots,due to an allele (c) of gene C.The three genes are linked and recombine.
A geneticist did a testcross with an organism that had been found to be heterozygous for the three recessive traits and was able to identify progeny of the phenotypic distribution (+ = wild type) shown in the figure below.
Which of the following are the phenotypes of the parents in this cross?

• A)2 and 5
• B)1 and 6
• C)4 and 8
• D)3 and 7
• E)1 and 2

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Definitions:

Null Hypothesis

A statement or assumption that there is no relationship or effect in the population from which a sample was drawn, in statistical testing.

Research Hypothesis

A statement made by a researcher predicting a relationship between two variables in a study.

Differences

A term referring to the distinctions or disparities between two or more entities or values.

One-tailed Test

A statistical test that determines the direction of a relationship or difference, testing for either a positive or negative effect only.