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?

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#Question id: 27692

#Research Methodology

Research is an organized and systematic enquiry” Defined by

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#Question id: 9219

#SCPH06 I Botany

If the sex ratio in a population is significantly different from 50:50, then which of the following statements will always be accurate?

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#Question id: 364

#SCPH06 I Botany

 A solution contains 0.0000001 (10-7) moles of hydrogen ions [H+] per liter. Which of the following best describes this solution?

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#Question id: 1563

#SCPH06 I Botany

A nonfunctional CD4 protein on a helper T cell would result in the helper T cell being unable to ________.

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#Question id: 3682

#SCPH05 I Biotechnology

A mutated strain of E. coli replicates DNA normally at 25°C, but replication stops immediately when the temperature is raised to 37°C. Which protein is likely to be non-functional at the higher temperature?