Sickle-Cell Anemia Is Caused by a Recessive Mutation in the Hemoglobin

question 67

Multiple Choice

Sickle-cell anemia is caused by a recessive mutation in the hemoglobin gene. However, heterozygote individuals also show a small percentage of sickled red blood cells. What type of inheritance pattern is this an example of?

• A) Polygenic inheritance
• B) Sex linked
• C) Chromosomal nondisjunction
• D) Incomplete dominance

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Definitions:

Expense Accounts

Specific categories in accounting used to record and track money spent by a business on operational activities.

Debits

Entries that are made on the left side of an account ledger, representing an increase in assets or decrease in liabilities and equity.

Credits

Entries made on the right side of accounts, representing a decrease in assets or an increase in liabilities and equity.

Customers List

A compilation of information on clients who purchase goods or services from a business, often including contact details and purchase history.