Category : Genetics

Genetic Principles After Mendel and post Mendelian Genetics or Non Mendelism Trivia Quiz

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Questions & Options


1. The phenomenon where both the genes for a particular trait express partially when present together with the hybrid, it is called............

47494 Multiple alleles
47495 Codominance
47496 Incomplete dominance
47497 None of these

2. Which one of the following the other name of incomplete dominance?

47498 Blended inheritance
47499 Mosaic inheritance
47500 Partial inheritance
47501 All of these

3. The phenomena when both the genes of an allelic pair contribute equally and independently to the phenotype instead of showing dominant and recessive form, it is called.......

47502 Epistasis
47503 Multiple alleles
47504 Codominance
47505 Mosaic inheritance

4. Which one of the following is the example of codominance?

47506 Tallness in sweet pea
47507 Coat colour in short horned cattle
47508 Seed court in lablab
47509 All of these

5. Which one of the following produced due to repeated mutations of the same gene but in different directions?

47510 Incomplete dominance
47511 Codominance
47512 Supplementary genes
47513 Multiple alleles

6. Which one of the following does not exhibit crossing over?

47514 Complementary genes
47515 Multiple alleles
47516 Supplementary genes
47517 Modifying genes

7. Rabbit has how many alleles for coat color?

47518 6
47519 5
47520 4
47521 3

8. Drosophila has........... Alleles for eye color.

47522 15
47523 17
47524 19
47525 21

9. Which one of the following produces a phenotypic ratio of 9:7?

47526 Supplementary gene
47527 Epistasis
47528 Complementary genes
47529 Modifying genes

10. What is the phenotypic ratio produced by collaborator genes?

47530 9:4:5:1
47531 9:3:3:1
47532 9:7:7:1
47533 9:2:2:1

11. Single phenotypic trait governed by more than one pair of the gene is called.......

47534 Epistasis
47535 Polygenic trait
47536 Supplementary gene
47537 Collaborator gene

12. Which of the following is the example of multiple genes?

47538 Cob length in maize
47539 Tallest in sweet pea
47540 Milk and meat yield in animals
47541 All of these

13. Sickle Cell anemia is an example of .......

47542 Lethal genes
47543 Pleitropy gene
47544 Both of these
47545 None of these
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