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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
संबंधित प्रश्न
The phenotypic ratio of incomplete dominance is ______.
Differentiate Between Homozygous shows Heterozygous.
State Mendel’s Law of Dominance.
Give Technical Term:
Cell organelle directly involved in genetics.
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:
Most genetic diseases in man are recessive in character.
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
Explain a dihybrid cross with suitable example and checker board method.
Give any two points of difference between homozygous and heterozygous.
Explain test cross with suitable example and state its ratios.
Each gamete has only one allele of a gene.
Using ______, the production of gametes by the parents, the formation of zygotes, the F1 and F2 plants can be understood.
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 %.)
The percentage of each gamete out of four different types of gametes produced by the F1 dihybrid will be ________.
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.
How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
