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प्रश्न
Which of the following is NOT an example of connecting link?
- Archaeopteryx
- fchthyostegia
- Seymouria
- Biston betularia
उत्तर
(d) Biston betularia
It is a temporary species which helps in studying industrial melanism.
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संबंधित प्रश्न
Linkage and crossing-over of genes are alternatives of each other. Justify with the help of an example.
Name the ‘two’ types of maps generated by H.G.P.
Give an example of 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 genetic map distance between two genes located on the same chromosome can be analyzed by calculating ____________.
Which of the following will not result in variations among siblings?
Two crosses between the same pair of genotypes or phenotypes in which the sources of the gametes are reversed in one cross, is known as ______.
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
Which of the following statement is correct?
