Which Types of Phenotypic Ratios Are Likely to Occur in Crosses

question 19

Multiple Choice

Which types of phenotypic ratios are likely to occur in crosses when dealing with three gene pairs for which all the genotypic combinations are of equal viability?

• A) 27:9:9:9:3:3:3:1
• B) 1:2:1, 3:1
• C) 1:4:6:4:1, 1:1:1:1
• D) 12:3:1, 9:7
• E) 2:3, 1:2

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