The Trait of Medium- Sized Leaves in Iris Is Determined

question 35

Multiple Choice

The trait of medium- sized leaves in iris is determined by the genetic condition PP'.Plants with large leaves are PP,whereas plants with small leaves are P'P'.A cross is made between two plants each with medium- sized leaves.If they produce 80 seedlings,what would be the expected phenotypes,and in what numbers would they be expected?

• A)20 large leaves ,20 medium leaves ,40 small leaves
• B)40 large leaves ,0 medium leaves ,40 small leaves
• C)20 large leaves ,40 medium leaves ,20 small leaves
• D)40 large leaves ,40 medium leaves ,0 small leaves
• E)10 large leaves ,60 medium leaves ,10 small leaves

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Definitions:

Accounted Variance

The portion of the total variance in a set of data that is explained by a statistical model or variable.

Correlation

A statistical measure that indicates the extent to which two variables fluctuate together, showing whether and how strongly pairs of variables are related.

Variance Accounted

The proportion of total variation in a dataset that is explained by a statistical model.

Correlation

A statistical measure that expresses the extent to which two variables change together; indicating the strength and direction of a relationship.