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प्रश्न
What is a dihybrid cross? How did Mendel perform this cross?
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उत्तर
Dihybrid Cross: A cross between two parents taking into consideration alternative traits of two different characters. For example, a cross between a round and yellow seed-bearing plant with wrinkled and green seed-bearing plant.
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संबंधित प्रश्न
The physical expression of a gene is called ______.
Test cross involves
Which Mendelian idea is depicted by a cross in which the F1 generation resembles both the parents
What is back 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.
In a testcross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates ______.
In a dihybrid cross AABB x aabb, F2 progeny of AABB, AABb, AaBB and AaBb occurs in the ratio of ______.
How is the sex of a newborn determined in humans?
Describe the dihybrid cross upto F2 generation as conducted by Gregor Mendel using pure lines of Garden Pea for characters-seed shape and seed colour.
