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प्रश्न
What is back cross?
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उत्तर
The back cross is a cross of an F1 hybrid with any one of the parental genotypes. The back cross is of two types; they are dominant back cross and recessive back cross. It involves the cross between the F1 off spring with either of the two parents.
संबंधित प्रश्न
Give Technical Term:
The ratio of offspring on F2 generation in a dihybrid cross.
Multiple Choice Question
When two individuals differing in at least one character are crossed, the process is known as:
Select the period for Mendel’s hybridization experiments
Name the seven contrasting traits of Mendel.
Identify the statementls that is/are NOT the correct reason/s for Mendel's success in his hybridization experiments.
i. Each factor controlled the single trait and is located on separate chromosomes.
ii. In the pea plant, contrasting characters can be easily recognized.
iii. Mendel carefully recorded the number of plants of each type and expressed his results as ratios.
iv. Mendel performed biochemical assays for identifying the position of 'factors' on chromosome.
Two linked genes a and b show 20% recombination. The individuals of a dihybrid cross between ++ /++ × ab/ab shall show gametes ______.
In a dihybrid cross, F2 phenotypic ratio is 13 : 3. It is case of ______.
Which one of the following genetic ratios will be obtained in a dihybrid test cross:
What was Gregor Mendel's birthplace?
Which plant species did Mendel primarily use in his hereditary experiments from 1856 to 1863?
