HEREDITY
LINKED GENES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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they have four large pairs of chromosomes
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they have many easily observable genetic traits
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they produce many offspring.
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all options are correct
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Detailed explanation-1: -Morgan decided to use fruit flies to study how physical traits (for example, eye color) were transmitted from parents to offspring, and he was able to elegantly show that genes are stored in chromosomes and form the basis of heredity.
Detailed explanation-2: -Solution : (i) Very short life cycle (2-weeks)<br>(ii) Can be grown easily in laboratory <br>(iii) In single mating produce a large no. of flies. <br>(iv) Male and female show many hereditary variations<br>(v) It has only 4 pairs of chromosomes which are distinct in size and shape.
Detailed explanation-3: -4, 1945, Pasadena, Calif.), American zoologist and geneticist, famous for his experimental research with the fruit fly (Drosophila) by which he established the chromosome theory of heredity. He showed that genes are linked in a series on chromosomes and are responsible for identifiable, hereditary traits.