Question

Select the statements that explain why duplication is a driving force for evolution and the generation of new genes.

Answer 1

Duplication provides a source of genetic material for drift, mutation and selection to act upon, making new developmental open doors conceivable. Thus, many have contended that genome duplication is a predominant factor in the advancement of unpredictability and decent variety.

Further explanation

Gene duplication

It is a noteworthy component through which new hereditary material is produced during molecular development. It tends to be characterized as any duplication of a locale of DNA that contains a quality. Quality duplications can emerge as results of a few sorts of mistakes in DNA replication and fix hardware just as through random catch by narrow minded hereditary components. Normal wellsprings of quality duplications incorporate ectopic recombination, aneuploidy, polyploidy, and replication slippage.

Mechanisms of duplication

1. Ectopic recombination
2. Replication slippage
3. Retrotransposition
4. Aneuploidy

Gene duplication as evolution

Evolution occurs by duplication of genes and we can say that is an occasion by which a gene or some portion of a gene can have two indistinguishable duplicate that cannot be recognized from one another. This wonder is comprehended to be a significant wellspring of oddity in advancement, accommodating an extended collection of sub-atomic exercises. The hidden mutational occasion of duplication might be a traditional quality duplication change inside a chromosome, or a bigger scale occasion including entire chromosomes (aneuploidy) or entire genomes (polyploidy).

Answer details

Subject: Biology

Level: College

Key words

• Gene duplication
• Mechanisms of duplication
• Gene duplication as evolution

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Answer 2

It is vitally important to life, any form of life. Life in it's self is what we are all striving to grasp, hold and not let escape. It is the endless search for meaning to understand and comprehend. Evolution which is the symphonic struggle of nature to overcome and create the most suitable specimen ensuring its survival within its species from its predators and the world at large. Duplication is natures way to regenerate and strengthen the gene pool of species. It allows newer generations to improve on the genes to enable it to adapt better to the current environment is is facing. It is a constant and never ending process.