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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 - Biology

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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

MCQ
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उत्तर

Segregation

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अध्याय 2: Fundamentals of Genetics - Multiple Choice Questions

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आईसीएसई Biology [English] Class 10
अध्याय 2 Fundamentals of Genetics
Multiple Choice Questions | Q 5

संबंधित प्रश्न

The phenotypic ratio of incomplete dominance is ______.


A cross used to verify the unknown genotype of the F1 hybrid is a ______.


Which phoenomenon gives 2 : 1 ratio instead of 3 : 1 ratio? Describe with graphical representation.


Who was the ‘Father of Genetics’?

Note down the allele pairs studied by Mendel. Mention which allele is dominant.

Explain the Term Genotype.


Give Technical Term:

Transmits characteristics from parents to offsprings.


Complete the following sentence with appropriate word:

Upon _______the diploid condition is restored.


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.


Write the functional activity of the following structure:

Autosomes


Choose the Odd One Out


Multiple choice question.

When F2 phenotypic and genotypic ratios are the same, then it is an example of _______.


Hybrid is an offspring from a cross between genetically different parents.


Identify the genotype of peacock.


Identify the possible genotypic ratio in F2 generation if a plant producing red flowers (RR) is crossed with another plant of the same species that produces white flower (rr).


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.


An indvidual of genotype, Aa Bb Cc Dd is used in test cross. How many different phenotypes can appear in this progeny?


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.


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