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प्रश्न
Which of the following is NOT an example of connecting link?
- Archaeopteryx
- fchthyostegia
- Seymouria
- Biston betularia
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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.
Write the scientific name of the organism Thomas Hunt Morgan and his colleagues worked with for their experiments. Explain the correlation between linkage and recombination with respect to genes as studied by them.
How did sturtevant explain gene mapping while working with Morgan?
British geneticist R.C. Punnett developed a graphical representation of a genetic cross called “Punnett Square”. Mention the possible result this representation predicts of the genetic cross carried.
How many linkage groups do occur in human being?
Give an example of complete linkage.
What was Morgan's observation when he hybridized yellow bodied white eyed female Drosophila to brown bodied red eyed male Drosophila and inter-crossed their progeny?
All the linked genes in a particular chromosome, constitute a ____________.
The phenomenon of ____________ is universal and it is necessary for the natural selection, because it increases the chances of variation.
Genes located very close to one another on same chromosome tend to be transmitted together and are called as ______.
