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Multiple Choice
Which of the following processes may separate linked genes during meiosis?
A
chiasma, or crossover
B
independent assortment
C
epigenetics
D
allele segregation
E
differentiation
Verified step by step guidance
1
Understand the concept of linked genes: Linked genes are genes that are located close to each other on the same chromosome and tend to be inherited together during meiosis.
Learn about the process of meiosis: Meiosis is a type of cell division that reduces the chromosome number by half, resulting in the production of gametes (sperm and eggs). It involves two rounds of division: meiosis I and meiosis II.
Explore the concept of crossing over: During prophase I of meiosis, homologous chromosomes pair up and exchange segments of genetic material. This process is known as crossing over or chiasma formation, and it can separate linked genes by exchanging alleles between homologous chromosomes.
Differentiate between the processes: Independent assortment refers to the random distribution of maternal and paternal chromosomes into gametes, which is different from crossing over. Epigenetics involves changes in gene expression without altering the DNA sequence, allele segregation refers to the separation of alleles during gamete formation, and differentiation is the process by which cells become specialized.
Identify the correct process: Among the options provided, crossing over (chiasma formation) is the process that can separate linked genes during meiosis by exchanging genetic material between homologous chromosomes.