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प्रश्न
How many linkage groups are present in Drosophila melanogaster?
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उत्तर
4 linkage groups are present in Drosophila melanogaster.
संबंधित प्रश्न
Linkage and crossing-over of genes are alternatives of each other. Justify with the help of an example.
Define Linkage.
Give an example of a cross, showing complete linkage.
Analyse the following statements with respect to complete sex linkage and select the correct option.
- It is exhibited by genes located on non-homologous regions of X and Y chromosomes
- Y-linked trait is hypertrichosis.
- X-linked traits are haemophilia, red-green colour blindness, myopia (near sightedness).
The phenomenon of ____________ is universal and it is necessary for the natural selection, because it increases the chances of variation.
Linkage reduces the frequency of ______.
Crossing over in diploid organism is responsible for ______.
Mr. Kapoor has Bb autosomal gene pair and d allele sex-linked. What shall be proportion of Bd in sperms?
What will be the distribution of phenotypic features in the first filial generation after a cross between a homozygous female and a heterozygous male for a single locus?
When the parental gene combine with itself; termed as
