Describe the adaptive (evolutionary) significance of organizing genes into chromosomes. i.allows for genetic variation in the processes of crossing over and independent assortmentii. allows for genetic stability in their organized structure, prevents loss of dna.

Question:

Describe the adaptive (evolutionary) significance of organizing genes into chromosomes

Allows for genetic variation

Protects the DNA

Allows for increased gene regulation

Increases complexity of the genome

Explanation:

Because chromosomes undergo crossing over it gives more opportunities to increase variety in the population. Crossing over is when genetic information is exchanged between homologous chromosomes. It also allows independent assortment of genes, each chromosome is inherited independently of each other, producing increased variability in gametes

The integrity of DNA is physically protected by the proteins present in the highly organized chromatin fibre. This means that DNA is stable, and genetic information is effectively passed on to future generations

Chromosomes can be altered by modifications that change its structure and alter the proteins that interact with it, allowing for better control over gene expression

Allows space for more genes as well as complex patterning e.g. introns and exons, further increasing the variety of the genome

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