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natka813 [3]
2 years ago
13

Where do scientists obtain adult stem cells?

Biology
1 answer:
mixer [17]2 years ago
6 0

Answer:

b. skin

Explanation:

but I've also heard it. can be in brain blood teeth

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Sister chromatids are regarded as replicated chromosomes. Sister chromatids are two identical copies of chromosomes held at the centromere that are formed as a result of replication. They are identical in the sense that they contain same alleles/gene sequence of the same genes.

Homologous chromosomes, on the other hand, are similar (in length, centromere position) but non-identical chromosomes. Homologous are non-identical in the sense that they may contain different alleles of a gene and are received from each parent. homologous chromosome contain four chromatids; two of which are sister chromatids and non-sister to the other two.

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