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What is Genetics? - Biology

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प्रश्न

What is Genetics?
एका वाक्यात उत्तर
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उत्तर

Genetics is the branch of biology that deals with the study of transmission of characters from parents to offspring.
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पाठ 3: Principles of Genetics - Exercise 1 [पृष्ठ ३५]

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फ्रँक Biology II [English] Class 7 ICSE
पाठ 3 Principles of Genetics
Exercise 1 | Q 2 | पृष्ठ ३५

संबंधित प्रश्‍न

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


What is heredity?

 Give the significance of mutation.


State Mendel’s Law of Dominance.


Explain the Term Mutation.


Explain the Term Genotype.


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:

DNA has a double-helical structure.


Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

Genes are responsible for genetic characters.


Multiple Choice Question

Genetics is a branch of biology dealing with:


Multiple Choice Question

When an individual has both the genes of a contrasting character, it is said to be:


Give any two points of difference between homozygous and heterozygous.


Define Alleles.


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


Mendel was successful in his experiments because:


How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?


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 —

  1. Homozygous dominant and recessive parents.
  2. Gametes produced by both the parents.
  3. Gametes produced by the F, hybrid. (3)

A pair of corresponding chromosomes of the same shape, size and one from each parent is called ______.


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