You Were Recently Introduced to Your Roommate's Sibling

question 155

Multiple Choice

You were recently introduced to your roommate's sibling.To your surprise,even though the siblings are the same sex,they look nothing alike.Which of the following is the best explanation of this situation?

• A) They must have different parents,as genetic inheritance ensures that they share a significant number of genes.
• B) Although they started out very similar genetically,their genotypes have changed during development to make them look very different.
• C) Given the number of different combinations of genes possible during reproduction,it may be that the two siblings don't really share many genes.
• D) One has expressed only recessive genes,while the other has not.

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Definitions:

Conscious Awareness

The mental state of being fully present and fully perceptible of internal and external events or experiences at the moment.

Hypnotized

A state of highly focused attention or concentration, often associated with relaxation and heightened suggestibility.

Algebra Problem

A mathematical question or exercise that requires the application of algebraic methods and principles for its solution.

Controlled Processes

Mental activities requiring focused attention and generally interfering with other ongoing activities.