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प्रश्न
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उत्तर
संबंधित प्रश्न
Which phoenomenon gives 2 : 1 ratio instead of 3 : 1 ratio? Describe with graphical representation.
Give the significance of mutation.
Explain the term Alleles.
Name the following:
The study of heredity and variation.
Name the following:
The genetic composition of an organism.
Give Technical Term:
Cell organelle directly involved in genetics.
Give Technical Term:
A single egg was fertilized by a single sperm. But twins derived from that egg were born. What is the name of such type of twins?
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:
A female is responsible for the sex of the progeny.
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:
The word chromosome was coined by
Enlist dominant and recessive characters in pea plant with respect to the position of flower, colour of seed and colour of a pod in tabulated form.
Using ______, the production of gametes by the parents, the formation of zygotes, the F1 and F2 plants can be understood.
During a dihybrid cross with contrasting characters in the F2 generation, parental genotypes will appear in ______.
In which region of chromosomes does crossing over take place?
Which one of the following character is recessive in case of a pea plant?
What is dihybrid cross?
