Moderate

A diploid cell contains in its nucleus:

Correct answer: C. One copy of each homologous chromosome and even number of chromosomes

  • A. An even number of chromosomes
  • B. An odd number of chromosomes
  • C. One copy of each homologous chromosome and even number of chromosomes
  • D. Either an even or an odd number of chromosomes
  • E. All are incorrect

Explanation

A diploid cell contains one copy of each homologous chromosome. Here's an explanation of each of the options you provided:1. An even number of chromosomes: This is the correct statement. Diploid cells have an even number of chromosomes because they have two sets of homologous chromosomes, one inherited from each parent.2. An odd number of chromosomes: This statement is incorrect for a diploid cell. Diploid cells always have an even number of chromosomes due to the presence of pairs of homologous chromosomes.3. One copy of each homologous: This is the correct statement. In diploid cells, you have one copy of each homologous chromosome, one from each parent. These chromosomes carry genes for the same traits, but they may have different alleles.4. Either an even or an odd number: This statement is incorrect. Diploid cells specifically have an even number of chromosomes because they contain pairs of homologous chromosomes.5. All are incorrect: This statement is incorrect. Only option 2, 3, and 4 are incorrect or partially correct. The correct statement is that diploid cells contain an even number of chromosomes and have one copy of each homologous chromosome.

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Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.

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