Advertisements
Advertisements
प्रश्न
State Mendel’s Law of Dominance.
Advertisements
उत्तर
Law of Dominance: Out of a pair of contrasting characters present together, one is able to express itself while the other remains suppressed.
APPEARS IN
संबंधित प्रश्न
A heterozygous tall plant of pea is crossed with a dwarf plant of pea.
Calculate the phenotypic ratio of the progeny.
A pure tall plant (TT) is crossed with a pure dwarf plant (tt).
Draw Punnet squares to show
(1) F2 generation
(2) F2 generation.
Explain the Term Genotype.
Name the following:
The genetic composition of an organism.
Give Technical Term:
A twin consisting of a brother and a sister were born to a lady. What is the name of such a type of twins?
Complete the following sentence with appropriate word:
______is the hereditary unit.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
DNA has a double-helical structure.
Choose the Odd One Out
Choose the Odd One Out
Multiple Choice Question
When an individual has both the genes of a contrasting character, it is said to be:
Multiple Choice Question
A cross was made between tall and dwarf plants. In F1 generation all plants were tall, when the F1 plants were selfed, the tall and dwarf plants appeared in a 3 : 1 ratio in the F2 generation. This phenomenon is known as:
Explain a dihybrid cross with suitable example and checker board method.
The word chromosome was coined by
In a dihybrid cross with contrasting characters, the number of different genotypes obtained in F2 generation are ______.
______ type/s of gametes is/are expected to be formed by the organism with genotype AABBCC.
Mendel was successful in his experiments because:
A typical dihybrid cross is carried outbetween true breeding plant with yellowround seeds and a true breeding plant withgreen wrinkled seeds. With appropriatesymbol write the genotypes of —
- Homozygous dominant and recessive parents.
- Gametes produced by both the parents.
- Gametes produced by the F, hybrid. (3)
Rewrite the correct form of the statement by changing the first or last word only:
The full complement of DNA of an organism is termed as genetics.
