The R/r and S/s Genes Are Linked and 10 Map

question 86

Multiple Choice

The R/r and S/s genes are linked and 10 map units apart.In the cross Rs / rS * rs / rs what percentage of the progeny will be Rs / rs?

• A)5%
• B)10%
• C)25%
• D)40%
• E)45%

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Definitions:

Mandible

A bone that forms the lower portion of the jaw.

Salivary Glands

Glands located in the mouth that produce saliva, which begins the process of digestion and keeps the mouth moist.

Mandible

The lower jaw or jawbone, the largest and strongest bone of the face.

Descending Colon

The part of the colon that travels downwards on the left side of the abdomen, responsible for storing the remains of digested food that will be emptied into the rectum.