QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
"Which of the following best describes the principle of independent assortment?
some alleles are dominant over other alleles
genes for different traits on different chromosomes can separate independently during the gamete formation
the likelihood a particular event will occur
each organism has two alleles for each trait"
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Answer
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Step 1:: Identify the correct answer from the given options.
The principle of independent assortment states that genes for different traits on different chromosomes can separate independently during the gamete formation. This is because homologous chromosomes assort independently during meiosis, which leads to the random distribution of genetic information in gametes.
Step 2:: Formulate the answer in LaTeX format.
The answer is: genes for different traits on different chromosomes can separate independently during the gamete formation.
Step 3:: Provide a complete explanation of the answer.
Independent assortment is a fundamental concept in genetics, which explains how genes for different traits are distributed during the formation of gametes (sex cells). When homologous chromosomes (chromosomes that pair during meiosis) separate, they do so randomly. This results in a unique combination of genetic information in each gamete. As a result, the inheritance of one trait is not dependent on the inheritance of another trait, provided they are located on different chromosomes.
Step 4:: Highlight the key points of the explanation.
- Homologous chromosomes separate randomly during meiosis. - This random separation leads to a unique combination of genetic information in each gamete. - Genes for different traits on different chromosomes are distributed independently, i.e., the inheritance of one trait is not affected by the inheritance of another trait if they are located on different chromosomes.
Final Answer
The principle of independent assortment best describes that genes for different traits on different chromosomes can separate independently during the gamete formation.
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