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प्रश्न
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:
विकल्प
Dominance
Segregation
Hybridization
Crossing over
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उत्तर
Segregation
APPEARS IN
संबंधित प्रश्न
What is crossing-over? What are the factors affecting it?
Mutation alerts the hereditary material. Give reasons.
State Mendel’s Law of Dominance.
Explain the Term Crossing-over.
Explain the Term Heterosome.
Name the following:
The genetic composition of an organism.
Give Technical Term:
The individuals having dissimilar pairs of genes.
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.
Complete the following sentence with appropriate word:
The small differences among individuals are called ________.
Complete the following sentence with appropriate word:
The dissimilar pairs of genes present in an individual are known as _______________.
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.
Write the functional activity of the following structure:
Autosomes
Multiple Choice Question
When an individual has both the genes of a contrasting character, it is said to be:
The percentage of each gamete out of four different types of gametes produced by the F1 dihybrid will be ________.
During a dihybrid cross with contrasting characters in the F2 generation, parental genotypes will appear in ______.
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)
Which one of the following character is recessive in case of a pea plant?
