Homologous chromosomes contain the same gene loci but may have different alleles of a particular gene. Sister chromatids are identical copies of each other produced during DNA replication.
What number and types of chromosomes are found in a human somatic cell?
- 45 autosomes and 1 sex chromosome
- 21 autosomes and 2 sex chromosomes
- 22 autosomes and 1 sex chromosome
- 44 autosomes and 2 sex chromosomes
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In alternation of generations, the diploid stage of a plant that follows fertilization called the sporophyte.
- True
- False
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How are sister chromatids and homologous chromosomes different from each other?
- Homologous chromosomes contain the same gene loci but may have different alleles of a particular gene. Sister chromatids are identical copies of each other produced during DNA replication.
- Homologous chromosomes are identical copies of each other. One sister chromatid comes from the father, and one comes from the mother.
- Sister chromatids are only formed during mitosis. Homologous chromosomes are formed during meiosis.
- Homologous chromosomes are closely associated with each other in both mitosis and meiosis. Sister chromatids are only associated with each other during mitosis.
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