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Questions and Answers
Which of the following best describes autosomal gene linkage?
Which of the following best describes autosomal gene linkage?
- The process of crossing over during meiosis
- The inheritance pattern of genes located on the autosomes (correct)
- The inheritance pattern of genes located on the sex chromosomes
- The process of DNA replication on autosomes
What is the consequence of two genes being tightly linked on the same autosome?
What is the consequence of two genes being tightly linked on the same autosome?
- They undergo independent assortment
- They are more likely to be inherited together (correct)
- They are located far apart on the chromosome
- They segregate independently during meiosis
In the context of autosomal gene linkage, what is recombination?
In the context of autosomal gene linkage, what is recombination?
- The exchange of genetic material between homologous chromosomes
- The process of creating new genes from existing genes on the same chromosome
- The process of creating new combinations of alleles on the same chromosome (correct)
- The exchange of genetic material between non-homologous chromosomes
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Study Notes
Autosomal Gene Linkage
- Autosomal gene linkage refers to the tendency of genes located on the same autosome (non-sex chromosome) to be inherited together.
- Tightly linked genes on the same autosome are likely to be inherited together, resulting in a lower frequency of recombination between them.
- Recombination in autosomal gene linkage refers to the process of crossing over between homologous chromosomes, leading to the exchange of genetic material and increasing genetic diversity.
Consequence of Tightly Linked Genes
- When two genes are tightly linked on the same autosome, they are likely to be inherited together, resulting in a non-random association between the genes.
Recombination in Autosomal Gene Linkage
- Recombination between tightly linked genes is less frequent, as the genes are located close together on the same chromosome.
- The closer two genes are, the lower the frequency of recombination between them, and the more likely they are to be inherited together.
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