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4.Principles of Inheritance and Variation
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The genes controlling seven traits in pea studied by Mendel were later found to be located on following number of chromosomes
A
Seven
B
Four
C
Five
D
Six
Solution
(b) Mendel studied seven pairs of characters which were present on four different pairs of chromosomes.
Standard 12
Biology
Similar Questions
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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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