If Every Sexually Reproducing Organism Has Only Two Alleles for Each

question 18

Multiple Choice

If every sexually reproducing organism has only two alleles for each gene,how can there be a range of traits seen for a physical characteristic?

• A)One of the alleles in an organism is expressed at different levels, while the other is turned off.
• B)Sometimes one of the alleles works, and other times the other allele works.
• C)There can be more than two variations of a gene in a population.
• D)In a population there are only two variations of a gene, but they are blended differently during sexual reproduction.

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Definitions:

Stem-and-Leaf Display

A graphical method of displaying quantitative data to observe its distribution, resembling a histogram turned on its side for clearer numeric value reading.

Diastolic

refers to the blood pressure in the arteries when the heart rests between beats.

Split Stems

A method in stem-and-leaf plots where stems are divided into two or more parts to spread out the data for a clearer representation.

Stem-and-Leaf Display

A stem-and-leaf display is a graphical method for displaying quantitative data, allowing for the observation of the data’s shape and distribution by organizing numbers based on their leading digits (stems) and trailing digits (leaves).