<h3>The answer is:</h3><h2>Hypothesis</h2>
A theory is an educated guess and so is a hypothesis. They both have limited evidence as a starting point for further investigation.
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Ans. (B). XX, XY ,XX, XY ,XY, XX .
In pigs, the XY-sex determination system is found. According to this system, sex of the organisms can be determined by the presence of a pair of sex chromosomes.
Females have two X chromosomes (represented by XX), and known as homogametic sex, while males have one X and one Y chromosomes (represented by XY), and known as heterogametic sex.
Thus, the correct answer is option (B).
Answer:
The mitochondria is the powerhouse of the cell
The answer is B) Amoeba
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