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When a red flowered. Antirrhinum plant w...

When a red flowered. Antirrhinum plant was crossed with a white flowered Antirrhinum plant, the `F_1` offspring had pink flowers. Mention
(a) the genotype of `F_1` plant, and
(b) the reason why it did not bear the parental red or white flower colours?

Text Solution

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(a) Rr { presuming parents had genotypes (RR) and (rr)}
(b) It shows incomplete dominance.
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OSWAAL PUBLICATION-PRINCIPLES OF INHERITANCE AND VARIATIONS -(TOPIC 1 ) (MENDEL.S LAWS OF INHERITANCE (SHORT ANSWER TYPE QUESTIONS-I ))
  1. Mention one difference between monohybrid and dihybrid cross.

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  2. Two heterozygous parents are crossed. If the two loci are linked what ...

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  3. A progeny of F1 is crossed with the homozygous recessive parent. What ...

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  4. In order to obtain the F1 generation, Mendel pollinated a true-breedin...

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  5. A, B,D are three independently assorting genes with their recessive al...

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  6. What is polygenic inheritance? Give an example

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  7. What are multiple alleles? Give an example.

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  8. Explain the following terms with examples: (a) Co-dominance (b) Incomp...

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  9. What is DNA polymorphism? Mention its siguificance.

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  10. If you are given a tall pea plant, how would you find out its genotype...

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  11. Define linkage. Who discovered linkage in Drosophila?

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  12. What do you understand by phenotype and genotype? Explain by giving an...

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  13. Describe the situation in which independent assortment of genes result...

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  14. When a red flowered. Antirrhinum plant was crossed with a white flower...

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  15. If a true breeding homozygous pea plant with green pod and axial flowe...

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  16. Give two reasons why Mendel chose garden pea for his experiments. Give...

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  17. State Mendel's law of segregation. Explain it with a suitable example.

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  18. How do the back cross and test cross differ?

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  19. Cite a case of incomplete dominance. Which trait in such a case has no...

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  20. A mother with blood group O has a foetus with blood group B. Will ther...

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