A Plant-Like Organism on the Planet Pandora Can Have Three

question 7

Multiple Choice

A plant-like 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) :
$$\begin{array} { | l | l | l | l | l | } \hline \text { Phenotypes } & \text { Leaves } & \text { Stems } & \text { Roots } & \text { Number } \\\hline 1 & a & + & + & 14 \\\hline 2 & a & + & c & 0 \\\hline 3 & a &b &+ & 32 \\\hline 4 & a &b& c & 440 \\\hline 5 & + &b& + & 0 \\\hline 6 & + &b& c & 16 \\\hline 7 & + & + & c & 28 \\\hline 8 & + & + & + & 470 \\\hline & & & \text { Total } & 1000 \\\hline\end{array}$$
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What is the greatest benefit of having used a testcross for this experiment?

• A) The homozygous recessive parents are obvious to the naked eye.
• B) The homozygous parents are the only ones whose crossovers make a difference.
• C) The phenotypes of the progeny reveal the allelic content of the gamete from the heterozygous parent.
• D) All of the progeny will be heterozygous.

Distinguish different theoretical perspectives on the origins and perpetuation of deviance including labeling, phenomenological, and Marxist theories.

Analyze the discrepancy between law in theory and law in action and its social implications.

Understand the significance of critical thinking within nursing management and decision-making processes.

Grasp the methodology of developing a nursing diagnosis based on comprehensive patient assessment.

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