Harold and Heather Are Twins

question 61

Multiple Choice

Harold and Heather are twins. They are the result of _____.

• A) one ovum fertilized by one sperm that split into two zygotes
• B) two separate ova that were fertilized by two different sperms
• C) one ovum that was fertilized by two sperms
• D) two ova that were fertilized by one sperm

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Definitions:

Biology Alone

A phrase suggesting that biological factors solely determine various aspects of living organisms, ignoring environmental, psychological, or social influences.

Percentage

A mathematical term indicating a part or fraction of a hundred, used to describe ratios or proportions in comparison to a whole.

Intelligence Characteristics

Traits or features that pertain to a person's cognitive capabilities, including problem-solving, reasoning, and understanding complex ideas.

Independently Inherited

Traits that are passed from parents to offspring without being influenced by other genes, following Mendel's principles of inheritance.