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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
What is criss-cross inheritance?
Define the following:
test cross.
When a white eye Drosophila male (Xr Y) is crossed to a red eye female (XR XR), in the F2 generation all the females are red eyed and 50% males are white eyed. In a criss-cross test, when males are white eyed. In a criss-cross test, when a white eyed female (Xr Xr) is crossed to a red eye male (XRY), the F1 generation offspring had white eyed males while the female offspring bad red eyes. Instead of crossing of a white eyed female (Xr Xr} to a red eyed male (XRY), white eye female (XrXr) to white eye male (XrY) is crossed, the F1 generation will have the following phenotypes and genotype.
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?
The genetic map distance between two genes located on the same chromosome can be analyzed by calculating ____________.
The distance between the genes is measured by ______.
In a cross between AABB × aabb, the ratio of F2 genotypes between AABB, AaBB, Aabb, and aabb would be ______.
Mendal formulated the law of purity of gametes on the basis of ______.
When ‘Aa’ is crossed with ‘aa’, (A is dominant over a)
Linkage groups can be separated during ______ in meiosis.
