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Animal Genome Evolution MCQS

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1. Which process leads to the creation of new genes by the duplication of existing genes within a genome?





2. What is the term for a segment of DNA that has the ability to move within the genome?





3. Which of the following is a mechanism of genome evolution that involves the movement of genes from one chromosome to another?





4. In which type of genome duplication, the entire genome is duplicated, resulting in multiple copies of every gene?





5. Which term describes the process by which an organism acquires genetic material from another organism without being its offspring?





6. Which genomic event is responsible for the formation of pseudogenes?





7. Which phenomenon is characterized by the exchange of genetic material between non-homologous chromosomes?





8. What is the term for the process by which genes are deactivated or silenced, leading to their loss of function?





9. Which type of mutation results in the loss of a single nucleotide in the DNA sequence?





10. What is the term for a segment of DNA that is duplicated multiple times within a genome, often leading to gene families?





11. Which process contributes to genetic diversity within a population by the exchange of genetic material between homologous chromosomes?





12. What is the term for the loss of a large segment of a chromosome during DNA replication?





13. Which mechanism of genome evolution involves the insertion of foreign DNA into the genome, often acquired from viruses or other organisms?





14. In which process, genetic material is exchanged between two non-sister chromatids of homologous chromosomes?





15. Which type of mutation occurs when a nucleotide is replaced by a different nucleotide in the DNA sequence?





16. What is the term for the complete set of genes or genetic material present in an organism?





17. Which type of genome duplication involves the duplication of a specific region of a chromosome, rather than the entire chromosome?





18. Which genomic event involves the reversal of the orientation of a segment of DNA within a chromosome?





19. What is the term for the process by which genes are transferred from parent to offspring during reproduction?





20. Which phenomenon involves the random fluctuation of allele frequencies in a population over generations?





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