MEDIUM
NEET
IMPORTANT
Earn 100

The percentage of ab gamete produced by AaBb parent will be

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Important Questions on Principles of Inheritance and Variation

HARD
NEET
IMPORTANT
When a cross is made between a tall plant with yellow seeds (TtYy) and a tall plant with green seeds (Ttyy), what is true regarding the proportions of phenotypes of the offsprings in F1 generation?
  The proportion of Tall and Green The proportion of Dwarf and Green
(i) 38 18
(ii) 28 18
(iii) 18 38
(iv) 28 28
HARD
NEET
IMPORTANT
How many types of gametes can be produced by a diploid organism who is heterozygous for 4 loci?
MEDIUM
NEET
IMPORTANT
The given Punnett’s square represents the pattern of inheritance in a dihybrid cross where yellow (Y) and round (R) seed condition is dominant over white (y) and wrinkled (r) seed condition.
  YR Yr yR yr
YR F J N R
Yr G K O S
yR H L P T
yr I M Q U

A plant of type ‘H’ will produce seeds with the genotype identical to seeds produced by the plants of
MEDIUM
NEET
IMPORTANT
Read the given paragraph to answer the Questions.
In a certain plant, yellow fruit colour (Y) is dominant to green fruit colour (y) and round shape (R) is dominant to oval shape (r). The two genes involved are located on different chromosomes.
Which of the following will result when plant YyRr is self- pollinated?
MEDIUM
NEET
IMPORTANT
Read the given paragraph to answer the Questions.
In a certain plant, yellow fruit colour (Y) is dominant to green fruit colour (y) and round shape (R) is dominant to oval shape (r). The two genes involved are located on different chromosomes.
Which of the following is correct for the condition when plant YyRr is back crossed with the double recessive parent?
MEDIUM
NEET
IMPORTANT
"When two pairs of traits are combined in a hybrid, segregation of one pair of characters is independent of the other pair of characters". The statement explains which of the following laws/principles of Mendel?
EASY
NEET
IMPORTANT
Law of independent assortment can be explained with the help of
EASY
NEET
IMPORTANT
Mendel’s work was rediscovered by three scientists in the year