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प्रश्न
Multiple Choice Question
Genetics is a branch of biology dealing with:
विकल्प
Heredity in living beings
Variation in living beings
Both heredity and variation
None of these
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उत्तर
Both heredity and variation
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संबंधित प्रश्न
A cross used to verify the unknown genotype of the F1 hybrid is a ______.
Give the significance of mutation.
Mutation alerts the hereditary material. Give reasons.
Explain the Term Crossing-over.
Give Technical Term:
A virus with DNA as heredity material.
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?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Mutation can be brought about artificially.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Mendel experimented upon plants of Oryza sativa.
Choose the Odd One Out
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.
Each gamete has only one allele of a gene.
Identify the genotype of a round seeded tall plant which when crossed with a plant of similar genotype produces the following percentage of phenotypes:
(tall round = 56.25 %, tall wrinkled = 18.75 %, dwarf round = 18.75 %, dwarf wrinkled = 6.25 %.)
A normal visioned woman whose father is colourblind married a normal visioned man. What are the probabilities of her sons or daughters to be colourblind? Explain with the help of Punnett square.
Which of the following is the number of alleles for blood group in an individual?
An indvidual of genotype, Aa Bb Cc Dd is used in test cross. How many different phenotypes can appear in this progeny?
How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
Name any two genetic diseases in humans.
