Advertisements
Advertisements
प्रश्न
Complete the following sentence with appropriate word:
_______ is the ratio of dihybrid cross.
उत्तर
9 : 3 : 3 : 1 is the ratio of dihybrid cross.
APPEARS IN
संबंधित प्रश्न
Explain Mendel’s dihybrid ratio with the help of any one cross.
What is a dihybrid cross? How did Mendel perform this cross?
Multiple Choice Question
When two individuals differing in at least one character are crossed, the process is known as:
Under which conditions does the law of independent assortment hold good and why?
What is back cross?
What are the reasons for Mendel’s successes in his breeding experiment?
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.
Findings of Gregor Mendel were rediscovered by the following scientists EXCEPT for ______
A cross between two tall plants resulted in offspring having few dwarf plants. What would be the genotypes of both the parents?
A normal green male maize is crossed with albino female. The progeny is albino because ______.
A fruit fly exhibiting both male and female traits is ______.
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:
According to the evolutionary theory, formation of a new species is generally due to
From the list given below, select the character which can be acquired but not inherited
Sahil performed an experiment to study the inheritance pattern of genes. He crossed tall pea plants (TT) with short pea plants (tt) and obtained all tall plants in F1 generation.
When F1 plants were self-pollinated, a total of 800 plants were produced. How many of these would be tall, medium height or short plants? Give the genotype of F2 generation.
Independent assortment means:
