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(a) What is the difference between absolute fitness and relative fitness of an organism? [5 marks] (b)...

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Biology

(a) What is the difference between absolute fitness and relativefitness of an organism? [5 marks]

(b) Co-dominance is a type of non-Mendelian inheritance patternthat finds the traits expressed by the alleles to be equal in thephenotype. Give an example of a phenotype that is caused byco-dominant alleles in humans [5 marks]

(c) Coat colour in various animals is associated with theirability to hide from predator attacks. Animals with coat coloursthat match their environments more closely are more likely tosurvive than those with darker or lighter coats. What type ofselection is this an example of? [5 marks] (d) In rural areas,peppered moths are almost all a very light colour. However, thesame species of moths have a very dark in colour in industrialareas and very few mediumcoloured moths are seen in eitherlocation. What type of selection is this an example of?[5marks]

Answer & Explanation Solved by verified expert
4.0 Ratings (500 Votes)
a Absolute fitness The absolute fitness W of a genotype is defined as the proportional change in the abundance of that genotype over one generation attributable to selection For example if ntnt is the abundance of a genotype in generation t in an infinitely large population and neglecting the change in genotype abundances due to mutations then for nt1Wntnt1Wnt An absolute fitness larger than 1 indicates growth in that genotypes abundance an absolute fitness smaller than 1 indicates decline    See Answer
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