Advertisements
Advertisements
Question
In the F2 generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are ______.
Options
phenotypes - 4; genotypes - 16
phenotypes - 9; genotypes - 4
phenotypes - 4; genotypes - 8
phenotypes - 4; genotypes - 9
Advertisements
Solution
In the F2 generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are phenotypes - 4; genotypes - 9.
APPEARS IN
RELATED QUESTIONS
Complete the following sentence with appropriate word:
_______ is the ratio of dihybrid cross.
Complete the following sentence with appropriate word:
A character that is suppressed is _________.
Explain with an example the inheritance of the dihybrid cross. How is it different from monohybrid cross?
Under which conditions does the law of independent assortment hold good and why?
Select the correct statement from the ones given below with respect to dihydrid cross
What are the reasons for Mendel’s successes in his breeding experiment?
Explain the law of dominance in a monohybrid cross.
Findings of Gregor Mendel were rediscovered by the following scientists EXCEPT for ______
A normal green male maize is crossed with albino female. The progeny is albino because ______.
Mendel’s last law is ______.
Mendel’s Law of independent assortment holds good for genes situated on the ______.
Each gamete carry ______.
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:
How is the sex of a newborn determined in humans?
Two pea plants - one with round yellow seeds (RRYY) and another with wrinkled green (rryy) seeds produce F1 progeny that have round, yellow (RrYy) seeds.
When F1 plants are self-pollinated, which new combination of characters is expected in F2 progeny? How many seeds with these new combinations of characters will be produced when a total 160 seeds are produced in F2 generation? Explain with reason.
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.
Give a reason why only tall plants are observed in F1 progeny.
Which of the following statement is not correct for two genes that show 50% recombination frequency?
Independent assortment means:
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.
