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प्रश्न
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.
उत्तर
Punnett Square for Mendelian monohybrid cross between pure line tall and the dwarf planet will appear as follows:
Parent Generation
TT x tt
↓
F1 Generation Tt
↓
Tt x Tt
(Selfing)
F2 Generation
| T | t | |
| T | TT | Tt |
| t | Tt | tt |
The result of F2 generation phenotypic ratio of a monohybrid cross is 3: 1.
संबंधित प्रश्न
Answer the following question.
Explain linkage and recombination as put forth by T.H. Morgan based on his observations with the Drosophila melanogaster crossing experiment.
Write a note on sex linkage.
Linkage reduces the frequency of ______.
Blue eye colour is recessive to brown eye colour. A brown-eyed man whose mother was blue-eyed marries a blue-eyed woman. The children shall be ______.
Mr. Kapoor has Bb autosomal gene pair and d allele sex-linked. What shall be proportion of Bd in sperms?
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 ______.
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?
Which of the following is a test cross?
When the parental gene combine with itself; termed as
Which of the following statement is correct?
