In Humans, Identical Twins Are Possible Because ________

question 59

Multiple Choice

In humans, identical twins are possible because ________.

• A) cytoplasmic determinants are distributed unevenly in unfertilized eggs
• B) extraembryonic cells interact with the zygote nucleus
• C) early blastomeres can form a complete embryo if isolated
• D) the gray crescent divides the dorsal-ventral axis into new cells

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Definitions:

Probability

The measure of the likelihood that an event will occur, quantified as a number between 0 and 1.

Sample Space

The complete set of all possible outcomes of a random experiment or the entire range of values that a random variable can assume.

Possible Outcomes

The set of all possible results that can occur from a particular experiment or event.

Experiment

An experiment is a controlled study in which variables are manipulated to determine their effects on other variables.