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4.Principles of Inheritance and Variation
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In order to determine whether variations of a character in a population were genetically controlled, the most appropriate procedure will be to
A
Count chromosomes and find out the variations in number in the population
B
Examine $DNA$ and see if the population shows any variation
C
Measure the variations and see if they are continuous or discontinuous
D
Cross individuals of both extremes and see if the offsprings and parents show the same range of variations
(AIIMS-1983)
Solution
It's Obvious
Standard 12
Biology
Similar Questions
In Drosophila, the allele for a normal grey body colour $G$ is dominant to ebony body $g.$ The following table summarises the results of several crosses
S.No | Cross | Result |
$I.$ | Strain $1 \times$ gg | All wild type |
$II.$ | Strain $2 \times$ gg |
$1$ wild type $:\;1$ ebony |
$III.$ | Strain $3 \times$ gg | All ebony |
$IV.$ | Strain $4 \times$ Gg |
$3$ wild type $:\,1$ ebony |
Which strains both have the genotype Gg?
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