Question

recall that most sexually reproducing organisms, like humans, inherit half their genes from each parent. their body cells, called somatic cells, are diploid and contain two complete sets of chromosomes—one inherited from each parent. these two sets of chromosomes are homologous, meaning they contain chromosomes with the same genes in the same locations. but a chromosome from one parent may have a different allele, or version of a gene, than the other parent. for example, this model shows the 23 homologous pairs of chromosomes in a female human somatic cell. the gene for blood type is found on chromosome 9. this individual inherited the allele for blood type a from their mother and the allele for blood type b from their father. select the true statements. within an organism, the same chromosomes are found in each somatic cell. each chromosome in a homologous pair comes from a different parent. diploid cells contain one set of chromosomes inherited from each parent. each chromosome in a homologous pair contains different genes.

Explanation:

1. Somatic cells of an organism are genetically identical, so they all carry the same chromosomes.
2. The text defines homologous chromosomes as one set from each parent, confirming this statement.
3. The opening text states diploid somatic cells have two complete chromosome sets, one from each parent.
4. The false statement ("Each chromosome in a homologous pair contains different genes") is incorrect because homologous chromosomes have the same genes in the same locations, only potentially different alleles.

Answer:

• Correct statements:

1. Within an organism, the same chromosomes are found in each somatic cell.
2. Each chromosome in a homologous pair comes from a different parent.
3. Diploid cells contain one set of chromosomes inherited from each parent.