Directions: Choose the Best Answer Based on the Information You

question 7

Multiple Choice

Directions: Choose the best answer based on the information you read in Chapter One. Medium-length sentences

• A) express one or two ideas
• B) show simple relationships
• C) work best for most writing
• D) all of the above

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Definitions:

Gamete

A mature haploid male or female germ cell that is able to unite with another of the opposite sex in sexual reproduction to form a zygote.

Dizygotic Twins

Often referred to as fraternal twins, these are siblings born at the same time but developed from two separate eggs fertilized by two different sperm cells.

Zygotes

The initial cell that forms when a sperm cell fertilizes an egg cell, marking the start of human development.

Ovum

The female reproductive cell or gamete in animals, also referred to as an egg cell, that can develop into a new individual following fertilization.