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प्रश्न
Name the seven contrasting traits of Mendel.
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उत्तर
Plant Height, Seed Shape, Cotyledon colour, Flower colour, Pod colour, Pod form, Flower position
संबंधित प्रश्न
Explain Mendel’s dihybrid ratio with the help of any one cross.
Give Technical Term:
The ratio of offspring on F2 generation in a dihybrid cross.
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 ______.
A normal green male maize is crossed with albino female. The progeny is albino because ______.
In a dihybrid cross, F2 phenotypic ratio is 13 : 3. It is case of ______.
Given below is a dihybrid cross performed on Drosophila.
Which of the following conclusions can be drawn on the basis of this cross? When yellow bodied (y), white-eyed (w) Drosophila females were hybridized with brown bodied (y+), red-eyed males (w+) and F1 progenies were intercrossed, F2 generation would have shown the following ratio:
What is the difference between genetic drift and change due to natural selection?
Mendel's law of independent assortment is based on F2 ratio of:
