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In a test cross, F(1) hybrids are crosse...

In a test cross, `F_(1)` hybrids are crossed with homozygous dominant plants.

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A homozygous tall plant (T) bearing red coloured ( R ) flowers is crossed with a homozygous dwarf (t) plant bearing white (r) flowers : Give the genotype and phenotype of the plants of F_1 generation.

A homozygous tall plant (T) bearing red coloured ( R ) flowers is crossed with a homozygous dwarf (t) plant bearing white (r) flowers : Mention the possible combinations of the gametes that can be obtained from the F1 hybrid plant.

A homozygous tall plant (T) bearing red coloured ( R ) flowers is crossed with a homozygous dwarf (t) plant bearing white (r) flowers : What is the phenotypic ratio obtained in F_2 generation ?

A homozygous tall plant (T) bearing red coloured ( R ) flowers is crossed with a homozygous dwarf (t) plant bearing white (r) flowers : Mention the phenotypes of the offspring obtained in F_2 generation.

R is dominant red flowerr trait while r is recessive white flower trait. Heterozygous Rr (red) is crossed with homozygous red flowered plant. 64 offspring are produced. Number of white flowered plants is:-

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ALLEN-GENETICS (PRINCIPLES OF INHERITANCE AND VARIATION) (MOLECULAR BASIS OF INHERITANCE)-Question
  1. Mendel selected seven visible characters each with two contrasting tra...

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  2. The gene which affect more than one phenotype called pleiotropic gene...

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  3. In a test cross, F(1) hybrids are crossed with homozygous dominant pla...

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  4. Inheritance of one character is always independent to the inheritance ...

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  5. Pisum sativum reproduces asexually in nature.

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  6. Emasculation is the process of removal of pistils from unisexual flowe...

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  7. Sickle cell anaemia follows the same inheritance pattern as that haemo...

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  8. Mendel experiments had a large sampling size.

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  9. In a dissimilar pair of factor one member of the pair dominates the ot...

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  10. Law of segregation is based on the fact that the alleles do not show a...

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  11. Multiple alleles can be found only when population studies are made.

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  12. Mendel widely publicised his work.

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  13. Mendel's approach of using mathematics to explain biological phenomena...

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  14. Mendel could not provide any physical proof for the existence of facto...

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  15. Chromosomes as well as genes occurs in pairs.

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  16. Gene for same character segregate at the time of..........

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  17. Genes and chromosomes are found in pairs incells.

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  18. Alleles are slightly different forms of the same...............

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  19. According to the concept of dominance, the modified allele is equivale...

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  20. Drosophila complete their life cycle in four weeks.

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