Answer:
A sister chromatid refers to the identical copies (chromatids) formed by DNA replication of a chromosome, with both copies joined by a common centromere.
Explanation:
Homologous chromosomes may or may not be the same as each other because they are derived from different parents.
The cell can grow large but not the organisms. Once the cell is growing the organisms grow smaller. I think hope it correct
<span>In scientific inquiry, hypothesis that have been tested repeatedly and have not been disproven can be used to develop a scientific theory.
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Your answer would be B ; the number of sources of pollution