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the two sets of chromosomes in each somatic cell are homologous, meanin…

Question

the two sets of chromosomes in each somatic cell are homologous, meaning that for every chromosome inherited from one parent, there is a similar chromosome inherited from the other parent that contains the same genes in the same locations. for example, every human somatic cell contains 46 total chromosomes, which can be divided into 23 homologous pairs.
select the true statements.
both chromosomes in a homologous pair come from the same parent.
within an organism, different chromosomes are found in different somatic cells.
most sexually reproducing organisms contain two sets of chromosomes that are inherited from their parents.
both chromosomes in a homologous pair contain the same genes.

Explanation:

Brief Explanations
  • For the statement "Both chromosomes in a homologous pair come from the same parent": Homologous pairs consist of one chromosome from each parent, so this statement is false.
  • For the statement "Within an organism, different chromosomes are found in different somatic cells": Somatic cells of an organism have the same set of chromosomes (except in cases of mutations or specific cell - related abnormalities like some cancer cells), so this statement is false.
  • For the statement "Most sexually reproducing organisms contain two sets of chromosomes that are inherited from their parents": This is in line with the concept of homologous chromosomes (one set from each parent) in sexually reproducing organisms, so this statement is true.
  • For the statement "Both chromosomes in a homologous pair contain the same genes": Homologous chromosomes have the same genes at the same loci, so this statement is true.

Answer:

  • "Most sexually reproducing organisms contain two sets of chromosomes that are inherited from their parents" is a true statement.
  • "Both chromosomes in a homologous pair contain the same genes" is a true statement.