EASY
Earn 100

What is dominant character?

Important Questions on Heredity and Evolution

HARD
Who is known as the father of Genetics?
MEDIUM

How is the sex of the child determined in human beings?

EASY
The two alleles that determine the blood group AB of an individual are located on
HARD
What is the law of dominance of traits? Explain with an example.
MEDIUM
A breeder crossed a pure breed tall plant having white flowers to a pure breed short plant having blue flowers. He obtained 202 F1 progeny and found that they are all tall having white flowers. Upon selfing these F1 plants, he obtained a progeny of 2160 plants. Approximately, how many of these are likely to be short and having blue flowers?
MEDIUM
What are Genetics? Explain Mendel law of dominance with line diagram.
EASY

Mendel's dihybrid ratio is :

MEDIUM
Assess how many types of gametes are produced from the Pea plant having the genotype RRYY
MEDIUM

In a breed of dog, long-haired phenotype is recessive to short-hair. In a litter, one pup is short- haired and its sibling is long-haired. Consider the following possible phenotypes of the parents.

i. Both parents are short-haired.

ii. Both parents are long-haired.

iii. One parent is short-haired, and one is long- haired.

Choose the CORRECT combination of the possible parental phenotypes.

MEDIUM
‘‘The sex of a newborn child is a matter of chance and none of the parents may be considered responsible for it.’’ Justify this statement with the help of a flow chart showing sex-determination in human beings.
MEDIUM

Give appropriate biological or technical terms for the following:

The condition in which a pair of chromosomes carry similar alleles of a particular character.

EASY
Which ONE of the following statements is INCORRECT?
MEDIUM

What are dominant and recessive characters? Explain with example.

EASY
What is a dominant character?
EASY
Give any two traits studied by Mendel.
MEDIUM

How is the sex of child determined in human beings?

EASY
Why are the traits acquired during the lifetime of an individual not inherited? Explain?
MEDIUM
A Mendelian experiment consisted of breeding pea plants bearing violet flowers with pea plants bearing white flowers. What will be the result in F1 progeny?