In Genetics, the Dash Symbol (-) Is a "Wild Card

question 65

Multiple Choice

In genetics, the dash symbol (-) is a "wild card" that stands for either the dominant allele or the recessive allele; for example, R- means the individual has either the genotype RR or Rr. In Duroc-Jersey pigs, genotypes R- S- have a red coat color, R- ss and rr S- have sandy-colored coats, and rr ss pigs are white. R and S show independent assortment. What cross is expected to result in all sandy-colored progeny?

• A)RR SS × rr ss
• B)RR Ss × Rr SS
• C)Rs Ss × Rr Ss
• D)RR ss × rr SS
• E)rr ss × rr ss

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Definitions:

Malfunctioning Equipment

Equipment that is not operating correctly or as expected, often leading to operational inefficiencies or safety concerns.

Spoilage

Wasted or defective materials during the production process that cannot be repaired or sold.

Direct Labor Rate Variance

The difference between the actual cost of direct labor and the standard cost, indicating how much the actual labor rate deviates from the expected standard.

Standard Costs

The predetermined costs associated with manufacturing a product or providing a service, used for budgetary and performance evaluation purposes.