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The graphical representation to calculat...

The graphical representation to calculate the probability of all possible genotypes of offspring in a genetic cross is called a) Pedigree analysis b) Karyotype c) Punnett square d) Chromosome map

A

Pedigree analysis

B

Punnet square

C

Chromosome map

D

Genotypic ratio

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B
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Assertion :- Punnett sequare is a graphical representation to calculate the probability of all possible genotypes of offsprings in a genetic cross. Reason :- It was developed by a British geneticist, Raginald C. Punnett.

Select the option with correct set of statements for Punnett square. (a) Developed by a British geneticist. (b) Used to calculate the probability of genotypes of offsprings. (c) Useful for monohybrid crosses only. (d) It is a mathematical formula which helps to calculate the types of gametes.

Select the option with correct set of statements for Punnett square. (1) Developed by British geneticist. (2)Used to calculate the probability of genotypes offsprings. (3)Useful for monohybrid crosses only. (4) It is a mathematical formula which helps to calculate the types of gametes.

What will be the probability of genotype TTrr in F_2 generation of a typical Mendelian dihybrid cross ? (a) 1//16 (b) 3//16 (c) 9//16 (d) 6//16

Complete haploid set of chromosomes of a species is (a) Genome (b) Genotype (c) Genetic code (d) Allele

Medel proposed something was being stably passed down unchanged from parents to offspring called (a) Genes (b) Genotype (c) Factors (d) Alleles

British geneticist R.C. Punnett developed a graphical representation of gentic cross called "Punnett Square". Mention the possible result this representation predicts of the genetic cross carried.

Haemophilia is a sex linked recessive disorder of humans. The pedigree chart given below shows the inheritance of Haemophilia in one family. Study the pattern of inheritance and answer the questions given. (a) Give all the possible genotypes of the members 4, 5 and 6 in the pedigree chart. (b) A blood test shows that the individual 14 is a carrier of gaemophilia. The member numbered 15 has recently married the member numbered 14. What is the probability that their first child will be a haemophilic male ? Show with the help of Punnett square.

Haemophilia is a sex linked recessive disorder of humans. The pedigree chart given below shows the inheritance of haemophilia in one family. Study the pattern of inheritance and answer the questions given Give all the possible genotypes of the members 4,5 and 6 in the pedigree chart. (b) A blood test shows that the individual 14 is a carrier of haemophilia. The member numbered 15 has recently married the member numbered 14. What is the probability that their first child will be a haemophilic male? Show with the help of Punnett square.

Given below are assertion and reason. Point out if both are true with reason being correct explanation (A), both are true but reason is not correct explanation (B), assertion is true but reason is wrong ( C) and both are wrong (D). Assertion. In a pedigree analysis,a circle represents unaffected offspring. Reason. In the pedigree analysis, the offspring are numbered with arabic numerals (1,2,3...) and generation is numbered with roman numerals

DINESH PUBLICATION ENGLISH-GENETIC BASIS OF INHERITANCE-Revision Questions From Competitive Exams
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  7. Select the correct statement from the ones given below with respect to...

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  8. Monohybrid test cross ratio is

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  9. Which of the following match is correct

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  10. Blood group of mother is A. That of son is B. What is blood group of f...

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  11. How many different types of gametes are formed from AaBbCcDdEe?

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  12. If a cross between two individuals produces offsprings with 50% domina...

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  13. Multiple phenotype is seen in

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  14. If F(1) generation has all tall progenies and ration of F(2) generatio...

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  15. Test cross of dihybrid ratio is 1:1:1:1. It proves that

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  16. Mendel was successful in discovering the principles of inheritance as

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  17. Mendelian principles are not applicable in case of

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  18. Two allelic genes are located on

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  19. A man with blood group 'A' marries a woman with group 'B' blood.Their ...

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  20. During meiosis, the alleles of the parental pair separate or segragate...

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