The Production of Genetic Variation

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The Production of Genetic Variation: Overview

This topic covers concepts, such as, Production of Genetic Variation, Gene Locus, Genetic Variation from Crossing Over, Genetic Variation from Independent Assortment & Genetic Variation from Random Fertilisation etc.

Important Questions on The Production of Genetic Variation

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Apart from independent assortment and crossing over, random fertilisation is also responsible for genetic variation.

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Explain how individuals consist of different combinations of alleles.

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Explain independent assortment and how it is important.

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Explain how independent assortment leads to genetic variation.

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Explain the process of exchange of segments between chromosomes.

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How crossing over leads to different allelic combinations.

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The position of a gene on a chromosome is called _____.

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The genetic variation arises from cross over.

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Locus is the physical location of a gene.

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Define gene locus.

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Fill in the blank with the correct answer from the bracket.

 _____ is the specific physical location of a gene. (linkage, locus, centromere)

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Define the term crossing over.

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 Which of the following refers different genes separate from one another when reproductive cells develop?

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Sexual reproduction causes genetic variation.

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Crossing over does not cause any genetic variation.

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Explain the genetic variation arising due to random fertilisation.

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Describe how genetic variation occurs from independent assortment.

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Define gene locus.

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Which of the following is/are the cause/s of genetic variation?

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Cotyledons are also called-