A Plant Has a Set of Multiple Alleles for "Self

question 19

Multiple Choice

A plant has a set of multiple alleles for "self" gene "S," which causes self-incompatibility (the ability of plant to reject its own pollen or pollen from closely related plants) to fertilize the egg.Here is a set of plants (sporophytes) with genotypes:
i.S₁S₂
ii.S₂S₃
iii.S₃S₃
iv.S₁S₃
The S₃ pollen from S₂S₃ parental sporophyte cannot fertilize the eggs of

• A)i
• B)ii
• C)iii
• D)iv

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Definitions:

Volume Variance

A financial metric that measures the difference between the expected sales volume and the actual sales volume.

Spending Variance

The difference between the budgeted or standard cost of something and its actual cost, which can indicate areas of inefficiency or savings.