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Q1. A fruitfly with red eyes and leg bristles (genotype RrBb) was mated with a white-eyed fly lacking bristles (rrbb). Five hundred offspring were counted, with the follow results-
58 Rrbb offspring; 62 rrBb offspring; 200 RrBb offspring; 180 rrbb offspring.
Based on these results, how much distance is between these two genes on chromosome?
Q2. If a maize plant is heterozygous for the alleles for pigmy and crinkly-leaf (both recessive to normal size of plant (S) and normal leaf (L) is self pollinated and 208 seeds are subsequently collected and germinated, how various would you expect to show-
a) Crinkly leaves
b) Normal size
c) Normal leaves normal size
d) normal leaves and pigmy size
Discuss how does Newton's force of gravitational attraction between two water molecules compare to van der waals attractive force?
Provided that a substance's permeability represents the distance it can travel in a lipid bilayer per unit time, how long would it take an uncharged.
What ecological and biological aspects make lichens good indicators of poor air quality? In the study by Cameron et al. (2007) what were the pros and cons of using lichens to access air quality? How might these issues be addressed in future resear..
The Notch signaling pathway functions in C. elegans vulval development. In a loss of function mutation of lin-12 Notch receptor none of the vulval precursor cells adopt 2° fate. Gain of function of lin-12 results in all vulval precursor cells adop..
All of the following functions are incorrect for the nasal conchae.
Females of most mammalian species have estrus cycles instead of menstrual cycles. Such females usually come into estrus only once a year, generally in the spring.
Your friend has isolated plasma membranes and reassembled the membranes into small vesicles. Using fluorescently labeled lectin, he sees that some of his vesicles are labeled while others are not.
Determine what biological function do methylases perform in bacteria? What adaptive value do they have for a bacterium?
Describe the various mechanisms that regulate blood pressure in response to the rapid loss of a large volume of blood, compared with the loss of the same volume of blood over a period of several hours.
If an individual was exercising at an exercise intensity of 1.5 liters of oxygen per minute, and had a mechanical efficiency of 20 percent, how many heat Calories would this person generate in 30 minutes?
What effect would it have over the results of study? Draw up a two-by-two table displaying the misclassification, then determines estimates of the risk ratio for both true and the misclassified results.
Describe the process of RNA processing that occurs in eukaryotes. I can find things about mRNA processing but not RNA processing. Any information or links to some would be great.
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