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Question
Select the correct statement from the ones given below with respect to dihydrid cross
Options
Tightly linked genes on the same chromosomes show very few combinations
Tightly linked genes on the same chromosomes show higher combinations
Genes far apart on the same chromosomes show very few recombinations
Genes loosely linked on the same chromosomes show similar recombinations as the tightly linked ones
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Solution
Tightly linked genes on the same chromosomes show very few combinations
RELATED QUESTIONS
What is a dihybrid cross? How did Mendel perform this cross?
A homozygous Tall plant (T) bearing red coloured (R) flowers is crossed with a homozygous dwarf plant (t) bearing white flowers (r):
(1) Give the Genotype and Phenotype of the F2 generation.
(2) Give the possible combinations of the gametes that can be obtained from the F2 hybrid.
(3) Give the dihybrid ratio and the phenotype of the offsprings of the F2 generation when two plants of the F1 generation above are crossed.
Multiple Choice Question
When two individuals differing in at least one character are crossed, the process is known as:
The genotype of a plant showing the dominant phenotype can be determined by
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.
A cross between two tall plants resulted in offspring having few dwarf plants. What would be the genotypes of both the parents?
In a dihybrid cross, F2 phenotypic ratio is 13 : 3. It is case of ______.
Each gamete carry ______.
According to the evolutionary theory, formation of a new species is generally due to
When two hybrids rrTt and Rrtt are gassed, the phenotype ratio of offspring should be:
