The Original Large Continental Mass Containing All of the Present

question 147

Multiple Choice

The original large continental mass containing all of the present continents prior to separation millions of years ago has been named ________.

• A) Laurasia
• B) Gondwanaland
• C) Pangaea
• D) Transcurrent
• E) Subduction

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Definitions:

Prophase I

The first stage of meiosis I where chromosomes condense, pair up, and exchange genetic material through crossing over, essential for genetic diversity.

Homologous Chromosomes

Pairs of chromosomes in a diploid organism that are similar in size, shape, and gene content, one inherited from each parent.

Sister Chromatids

Sister chromatids are two identical copies of a single replicated chromosome that are connected by a centromere and eventually separated during cell division.

Daughter Cell

A cell that results from the division of a single parent cell, usually having the same genetic material as the parent cell.