Some Plants Fail to Produce Chlorophyll,and This Trait Appears to Be

question 18

Multiple Choice

Some plants fail to produce chlorophyll,and this trait appears to be recessive.Many plants also self-pollinate.If we locate a pea plant that is heterozygous for this trait,self-pollinate it and harvest seeds,what are the likely phenotypes of these seeds when they germinate?

• A) All will be green with chlorophyll since that is the dominant trait.
• B) All will be white and lack chlorophyll since this is self-pollinated.
• C) About 1/2 will be green and one-half white since that is the distribution of the genes in the parents.
• D) About 1/4 will be white and three-fourths green since it is similar to a monohybrid cross.
• E) About 1/4 will be green and three-fourths white since it is similar to a monohybrid cross.

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Definitions:

Developmental Changes

Transformations or transitions in physical, cognitive, social, and emotional capacities that occur as an individual ages or matures.

Cross-sectional

A type of study or analysis that examines a population or a specific subset at a single point in time, allowing researchers to analyze data from a population at a specific time.

Naturalistic Observation

A research method in which subjects are observed in their natural environment without any manipulation by the researcher, used to study behavior in a real-world setting.

Longitudinal

A type of study or research that follows the same subjects over a period of time.