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In maize, coloured endosprem (C) is dominant over colourless (
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In maize, coloured endosprem (C) is dominant over colourless (c) , and full endosperm (R) is dominant over shrunken (r). When a dihybrid of F generation was test crossed, it produced four phenotypes in the following percentage :
Coloured full - 48 % Coloured shrunken - 5 %
Coloured full - 7 % Colourless shrunken - 40 %
From this data, what will be the distance between two non-allelic genes ?

A
48 unit

B
9 unit

C
4 unit

D
12 unit

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Updated on: Jul 15, 2023

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Mateo Discussed
In maize, coloured endosprem (C) is dominant over colourless (c) , and full endosperm (R) is dominant over shrunken (r). When a dihybrid of F generation was test crossed, it produced four phenotypes in the following percentage :
Coloured full - 48 % Coloured shrunken - 5 %
Coloured full - 7 % Colourless shrunken - 40 %
From this data, what will be the distance between two non-allelic genes ?
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Text SolutionText solutionverified iconVerified

Distance between the two allelic genes
= Percentage of recombinant offsprings
= Percentage of Coloured – Shrunken offspring + Percentage of Colourless – Full offspring
= 5 + 7Map units
= 12 Units
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Question Text
In maize, coloured endosprem (C) is dominant over colourless (c) , and full endosperm (R) is dominant over shrunken (r). When a dihybrid of F generation was test crossed, it produced four phenotypes in the following percentage :
Coloured full - 48 % Coloured shrunken - 5 %
Coloured full - 7 % Colourless shrunken - 40 %
From this data, what will be the distance between two non-allelic genes ?
Updated OnJul 15, 2023
TopicPrinciples of Inheritance and Variation
SubjectBiology
ClassClass 12
Answer TypeText solution:1 Video solution: 3
Upvotes314
Avg. Video Duration14 min