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  1. ... the area under drought. If within a species, there is a proportion.... In evolutionary biology , we refer to this as a trait being...become more prevalent in the existing population .

    2 Answers · Science & Mathematics · 01/04/2009

  2. Variation in biology usually refers to the heritable differences within a species. This...and the study of evolution in natural populations . Heritable variation ...

    2 Answers · Science & Mathematics · 01/04/2011

  3. ...what produce an organism's inherited traits. These vary within populations , with organisms showing heritable differences ( variation ) in their traits. Evolution is the product of two...

    2 Answers · Science & Mathematics · 26/02/2010

  4. ... they look and behave differently. 4. Mutation only affects variation in a population if it occurs at an early age (when an embryo is forming and...

    1 Answers · Science & Mathematics · 21/05/2007

  5. ...over many generations Second question The natural genetic variation within a population of organisms may cause some individuals to survive and reproduce more...

    2 Answers · Science & Mathematics · 03/04/2011

  6. ...conjugation or exchange of genetic materials.This is how genetic variation occurs including resistance.

    6 Answers · Science & Mathematics · 04/02/2007

  7. Sources of variation A 1. Diploidly... different phenotypes in a population --Heterozygote advantage: ... are maintained within the population . --Hybrid vigor...

    2 Answers · Science & Mathematics · 12/05/2009

  8. ... are "weeded" out - this reduces genetic variation . Thus, the traits selected for become more common in the population Inbreeding depression can be an unfortunate consequence of selective breeding...

    3 Answers · Science & Mathematics · 04/04/2013

  9. 1 - (C) mutation 2 (d) provide an example of disruptive selection. www.biol.wwu.edu/hooper/204_2006_06microevo.ppt 3 (D) sexual selection 4 (E) 5 (E) 26 C-genetic drift 27 A-mutation 28 B-gene flow 29 D-natural selection 30 D-natural selection

    2 Answers · Science & Mathematics · 02/07/2008

  10. ... knowledge of these things. For plant leaf pigmentation, consider a population of trees with a variation in leaf genotypes. Say there are some leaves that turn...

    1 Answers · Science & Mathematics · 10/06/2013

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