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4.Principles of Inheritance and Variation
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Drosophila has four pairs of chromosomes. How many linkage groups does it have
A
Eight
B
Four
C
One less than the pairs of chromosomes
D
One more than the pairs of chromosomes
Solution
(b) The number of linkage groups corresponds to the haploid number of chromosomes in an organism.
Standard 12
Biology
Similar Questions
Match the columns :
| Column $I$ |
Column $II$ |
| $(1)$ Lethal mutation | $(a)$ Mutation caused by external factors |
| $(2)$ Spontaneous mutation | $(b)$ They are metabolic errors |
| $(3)$ Induced mutation | $(c)$ As a result the mutant dies |
| $(4)$ Biochemical mutation | $(d)$ Most of the mutations occurs in nature are of this type. |
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