A series of symmetric and asymmetric cell divisions, called as

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#Question id: 5278

#Unit 8. Inheritance Biology

What is the co-transduction frequency for the A and B genes, from the following dataset?(Assume that there has been selection for the A+ form of the A gene). Genotype                                Number

 A+B+C+                                   10

 A+B+C-                                    30

A+B-C+                                     20

 A+B-C-                                     40

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#Question id: 19107

#Unit 8. Inheritance Biology

Assume that mating is random. First, consider an autosomal recessive disease that is usually lethal in childhood, and that has an incidence among newborns of 1/3000.  Perhaps the explanation for the incidence of the disease is heterozygote advantage. How large would this heterozygote advantage have to be (assuming the mutation rate is negligible)? 

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#Question id: 7527

#General Aptitude

A train is running at a speed of 72 km/h . it crosses a platform whose length is half that of the train in 30 seconds. what is the length of the platform?

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#Question id: 31296

#Unit 5. Developmental Biology

If either Nodal or Vg1 signaling is blocked in Xenopus laevis, resulting;

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#Question id: 23785

#Unit 7. System Physiology – Animal

What happens when rod cells hyperpolarize?