Both Members of a Couple Are Carriers for a Recessive

question 2

Multiple Choice

Both members of a couple are carriers for a recessive disease allele. If the couple has four children, which of the following statements must be true?

• A)One of the children has the disease.
• B)Two of the children have the disease.
• C)All of the male children have the disease.
• D)Fifty percent of the children could be carriers of the disease.

Distinguish between allopolyploidy and autopolyploidy and their roles in speciation.

Analyze the differences and issues associated with the phylogenetic and biological species concepts.

Understand the process and implications of reinforcement in speciation.

Know the mechanisms and outcomes of sympatric speciation.

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Definitions:

Digestive System

A collection of organs that collaborates to transform food into energy and fundamental nutrients necessary for nourishing the whole body.

Autoimmune Disease

Any condition in which the body attacks its own antigens, causing illness to the patient.

Crohn's Disease

A chronic inflammatory bowel disease that affects the lining of the digestive tract, causing pain, diarrhea, and weight loss.

Inflammation

A biological response of body tissues to harmful stimuli, characterized by redness, swelling, warmth, and sometimes pain and loss of function.