Assume that mating is random. Colorblindness is an X-linked recessive trait that is found in about 5 percent of males. What fraction of females are homozygous for the colorblindness allele?  

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#Question id: 11918

#SCPH06 I Botany

A succession which begins when rooted aquatic plants become established at the edge of a pond, is known as,

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#Question id: 94

#SCPH01 Biochemistry

A monosaccharide whose anomeric carbon atom has a glycosidic bond to an alcohol, amine or thiol is a ________.

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#Question id: 15269

#SCPH01 Biochemistry

The protein concentration in DNA extraction sample measured by

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#Question id: 13058

#SCPH28 | Zoology

Precision will be reduced, but yield will be increased

Optimisation of a PCR reaction is often a compromise between the competing demands for precision, efficiency and yield. Although the specific effects may vary, generally, increasing the annealing temperature will increase non-specific primer binding and reduce precision. Increasing the length of the elongation phase will reduce the proportion of incomplete newly-synthesised strands and therefore increase yield. In this case, the potential effect on efficiency is unclear. Increasing the elongation phase would increase the reaction time, but the time taken to ramp down to a lower annealing temperature would be reduced.

Which of the following true about real time PCR?

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#Question id: 57

#SCPH05 I Biotechnology

A(n) ________ has charge but negligible mass, whereas a(n) ________ has mass but no charge.