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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.
Answer the following question.
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.
Answer the following question.
Name the type of cross that would help to find the genotype of a pea plant bearing violet flowers.
Very Short Answer Question.
Give one example of complete sex linkage?
How many linkage groups are present in Drosophila melanogaster?
From the following disorders identify the ODD one.
Which of the following will not result in variations among siblings?
After crossing two plants, the progenies are found to be male sterile. This phenomenon is found to be maternally inherited and is due to some genes which are present in ______.
The following are results of crossing a female fly (AaBb) with a male fly (aabb).
- AaBb 1005
- aabb 1000
- Aabb 200
- aaBb 210
Which two genotypes are the recombinant offspring?
The formation of different types of gametes during sexual reproduction in plants is due to ______.
