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TLS Online TPP Program

#Question id: 11379

Which of the following is NOT a prediction arising out of Wilson-MacArthur's -Theory of Island Biogeography?

#Unit 10. Ecological Principles
  1. The number of species on an island should increase with its size/area.
  2. The number of species should decrease with increasing distance of the island from the source pool.
  3. Composition of species should be same over time
  4. Species richness on an island should be related to its average distance to the neighbouring islands
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TLS Online TPP Program

#Question id: 19111

#Unit 8. Inheritance Biology

If the frequency of PKU among newborns is approximately 1/10,000 (when the parents are unrelated). What is the risk of a child with PKU if the parents are uncle and niece?
TLS Online TPP Program

#Question id: 19112

#Unit 8. Inheritance Biology

the frequency of PKU among newborns is approximately 1/10,000 (when the parents are unrelated). What is the risk of a child with PKU if the parents are second cousins?
TLS Online TPP Program

#Question id: 19113

#Unit 8. Inheritance Biology

P, Q, and R are three different inbred, true-breeding strains of mice. A hybrid between P and Q is mated to R, and a hybrid between Q and R is mated to P. A male from the first mating is mated to a female from the second mating. What is the inbreeding coefficient of their progeny?
TLS Online TPP Program

#Question id: 19114

#Unit 8. Inheritance Biology

You are conducting genetic linkage studies of an autosomal recessive disease whose chromosomal location has not been firmly established. You are focused on two SSR markers that may be linked to each other and to the disease. Here are two families in which some individuals are affected:
                                       
Calculate LOD scores for linkage at θ= 0.02 between the disease and SSR42 in Family 1.
TLS Online TPP Program

#Question id: 19115

#Unit 8. Inheritance Biology

You are conducting genetic linkage studies of an autosomal recessive disease whose chromosomal location has not been firmly established. You are focused on two SSR markers that may be linked to each other and to the disease. Here are two families in which some individuals are affected:
                
Calculate LOD scores for linkage at θ= 0.02 between the disease and SSR43 in Family 1.
TLS Online TPP Program

#Question id: 19116

#Unit 8. Inheritance Biology

You are conducting genetic linkage studies of an autosomal recessive disease whose chromosomal location has not been firmly established. You are focused on two SSR markers that may be linked to each other and to the disease. Here are two families in which some individuals are affected:
                             
Calculate LOD scores for linkage at θ= 0.02 between the disease and SSR42 in Family 2.