Use the Following Information to Answer the Question

question 42

Multiple Choice

Use the following information to answer the question.
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 performed a testcross with an organism that had been found to be heterozygous for the three recessive traits, and she was able to identify progeny of the following phenotypic distribution (+ = wild type) :

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

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Definitions:

Forced Sterilization

A process where individuals are sterilized without their consent, often used as a means of controlling population growth or deemed undesirable traits.

Immigration

is the action of coming to live permanently in a foreign country.

Country

A nation with its own government, occupying a particular territory.

Crude Death Rate

A measure of the number of deaths in a given population during a specified period, typically expressed per thousand individuals per year.