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  • Fruit shape in shepherd's purse ( Capsella bursa ) is of two types - triangular and top - shaped . Triangular fruit shape (T) is dominant over top - shape (t) . Following table summari

Fruit shape in shepherd's purse ( Capsella bursa ) is of two types - triangular and top - shaped . Triangular fruit shape (T) is dominant over top - shape (t) . Following table summarise the results of several crosses .

Cross Result
Strain 1 X tt All triangular

Strain 2 X tt

 1 triangular : 1 top-shaped

Strain 3 X tt

 All top-shaped

Strain 4 X Tt

3 triangular : 1 top-shaped

Which pair of strains possess the genotype Tt?

Option: 1

Strains 2 and 3


Option: 2

Strains 2 and 4


Option: 3

Strains 1 and 3


Option: 4

Strains 1 and 4


Answers (1)

best_answer

As we learnt ,

 

The segregation of alleles -

when the tall and dwarf plant produce gametes the alleles of the parental pair separate of segregate from each other and only one allele is transmitted to a gamete.

- wherein

The segregation of alleles is a random process and there is a 50% chance of gamete containing either allele

 

 

 

Posted by

Suraj Bhandari

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