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#Question id: 3665


Which of the following is true for Tandem-duplication mutations?

#SCPH01 Biochemistry
  1. play an important role in evolution

  2. arise during the same ectopic recombination as deletions

  3. occur within a single gene usually inactivate the gene and are not leaky

  4. All the above are correct

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TLS Online TPP Program

#Question id: 4731

#SCPH28 | Zoology

A pure-breeding strain of squash that produced disk-shaped fruits was crossed with a pure breeding strain having long fruits. The F1 had disk fruits, but the F2 showed a new phenotype, sphere, and was composed of the following proportions

Disk  384            

Sphere 96

 Long  32

What is reason for F2 phenotype?

TLS Online TPP Program

#Question id: 4732

#SCPH01 Biochemistry

What is F2 phenotype ratio observed when a homozygous recessive mutation in either or both of two different genes results in the same mutant phenotype?

TLS Online TPP Program

#Question id: 4732

#SCPH06 I Botany

What is F2 phenotype ratio observed when a homozygous recessive mutation in either or both of two different genes results in the same mutant phenotype?

TLS Online TPP Program

#Question id: 4732

#SCPH12 I Genetics

What is F2 phenotype ratio observed when a homozygous recessive mutation in either or both of two different genes results in the same mutant phenotype?

TLS Online TPP Program

#Question id: 4732

#SCPH28 | Zoology

What is F2 phenotype ratio observed when a homozygous recessive mutation in either or both of two different genes results in the same mutant phenotype?

TLS Online TPP Program

#Question id: 4733

#SCPH01 Biochemistry

If a homozygous plant with red peppers is crossed with a homozygous plant with green peppers, all the F1 plants have red peppers. When the F1 are crossed with one another, the F2 are in a ratio of 9 red : 3 brown : 3 yellow : 1 green  due to