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Question
Distance between the genes and percentage of recombination shows ______.
Options
a direct relationship
an inverse relationship
a parallel relationship
no relationship
Solution
Distance between the genes and percentage of recombination shows a direct relationship.
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RELATED QUESTIONS
Occasionally, a single gene may express more than one effect. The phenomenon is called ______.
Discuss why Drosophila has been used extensively for genetical studies.
What is recombination? Discuss the applications of recombination from the point of view of genetic engineering.
Assertion: When white eyed, yellow bodied Drosophila females were hybridized with red eyed, brown-bodied males; and F1 progeny was intercrossed, F2 ratio deviated from 9 : 3 : 3 : 1.
Reason: When two genes in a dihybrid are on the same chromosome, the proportion of parental gene combinations is much higher than the non-parental type.
