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.
Blood group o; a universal donor and blood group B
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Statement C is false. The blood that leaves the heart through the aorta is rich in oxygen.
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