A researcher is studying a population of insects and notices that 60% have red eyes, 30% have apricot eyes, 5% have white eyes and 5% have pink eyes. Which of these eye colors would be designated the wild type?
Correct answer: A. Red
- A. Red
- B. White
- C. Pink
- D. All of these
Explanation
Option A is correct since normal wild type is the typical (or the most common) form, appearance, or strain,n existing in the wild. It is also the normal, non-mutated version of a gene common in nature. As red is the most common phenotype existing in the population of insects, it must be the wild type. Option B is incorrect since white eyes are very less in number compared to red eyes. Option C is incorrect since pink eyes are very less in number as compared to red eyes. Option D is incorrect as it states all of these.
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Mendel's laws explain segregation, independent assortment and the prediction of genetic ratios using alleles, genotypes and phenotypes. The chapter also covers linked genes, recombination and crossing over during meiosis, then applies pedigree reasoning to X-linked recessive traits, which show different inheritance patterns in males and females.
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