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What accounts for phenotypic variation in a quantitative character? (Remember genetic variance plays a role too).

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Reid Wolff
Reid WolffLv2
28 Sep 2019
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Related questions

  1. (a) Discuss ways in which phenotypic variation occurs withinpopulations. (b) Explain how phenotypic variation aids in thesurvival of the fit.

Write your response below.

a) phenotypes can be caused by

  • genetic variation

  • environmental factors

  • Both.

Genetic variation cause phenotypic change. when two geneticallydifferent parents mate then there are chances to get phenotypicvariations. Like a mule is crossbreed between a horse and a donkey.while environmental factors are things in an organism'ssurroundings that can influence it in various ways. For example,body weight in humans may be influenced by genes but is alsoinfluenced by diet. In this case, diet is an example of anenvironmental factor.

I NEED B ANSWERED!!!

Is A correct? I might be wrong I'm terrible at thisclass please help

Topic: Obesity
Prevention and Treatment.
1. what kind of actions or behaviors can prevent or reduce the severity of the disease?
2 Does testing or screening for the disease include genetic testing?
3How is the disease treated? Are there genetic related treatments ?
4 what role does the environment plays in the prevention of the disease?

1. How do bacteria acquire genetic variation and how does thatdiffer from the mechanism by which humans acquire variation?

2. Be able to explain why the following statement is true:Natural Selection works on individuals while evolution works onpopulations over generations. Or to put it another way: Individualsdo not evolve, populations do.

3. How can evolution explain the formation of complex structuressuch as the eye or the flagella motor?

4. What causes variation in a species? To put this another way:all humans have the same genes, yet we do not look alike. What isthe reason for the phenotypic differences between individuals ofthe same species? What is genetic recombination?

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