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

question 57

Multiple Choice

In genetics, the dash symbol (-) is a "wild card" that stands for either the dominant allele or the recessive allele; for example, W- means the individual has either the genotype WW or Ww. In summer squash, genotypes W- G- and W- gg are white, ww G- are yellow, and ww gg are green. W and G show independent assortment. What is the ratio of white : yellow : green among progeny of the cross Ww Gg × Ww Gg?

• A)12:3:1
• B)9:3:1
• C)10:3:3
• D)9:6:1
• E)None of the answer options is correct.

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Definitions:

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