Scelta multipla
How does crossing over during meiosis increase genetic variation?
710
views
12. Meiosis
Genetic Variation During Meiosis
Scelta multipla
Which of the following processes may separate linked genes during meiosis?
A
Crossing over
B
DNA replication
C
Independent assortment
D
Cytokinesis
Guida verificata passo dopo passo1
Understand the concept of linked genes: Linked genes are genes located close together on the same chromosome and tend to be inherited together during meiosis.
Learn about crossing over: Crossing over is a process during prophase I of meiosis where homologous chromosomes exchange segments of DNA. This can separate linked genes by swapping alleles between chromosomes.
Explore independent assortment: Independent assortment refers to the random distribution of homologous chromosome pairs during metaphase I of meiosis. While it contributes to genetic variation, it does not separate linked genes.
Examine DNA replication: DNA replication occurs before meiosis begins, ensuring each chromosome is copied. It does not separate linked genes, as it simply duplicates the genetic material.
Consider cytokinesis: Cytokinesis is the process of cytoplasmic division following mitosis or meiosis, resulting in separate cells. It does not affect the arrangement of genes on chromosomes.
Video correlati
Pratica correlata
