In a testcross of an individual heterozygous for each of three linked genes, the most frequent classes of progeny were A B c/a b c and a b C/a b c, and the least frequent classes were A B C/a b c and a b c/a b c. what is the order of the genes?

TLS Online TPP Program

#Question id: 19118

#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 SSR42 and SSR43 in Family 1.

TLS Online TPP Program

#Question id: 19119

#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 SSR42 and SSR43 in Family 2.

TLS Online TPP Program

#Question id: 19120

#Unit 8. Inheritance Biology

Trisomy 18 is one of the most common trisomies observed in human populations. You prepare DNA samples from two unrelated infants, both with trisomy 18, and from their parents. You then type the infants and their parents for four SSRs distributed along chromosome 18:

 

                                      

In which parent did nondisjunction occur in Family 1?

TLS Online TPP Program

#Question id: 19121

#Unit 8. Inheritance Biology

Trisomy 18 is one of the most common trisomies observed in human populations. You prepare DNA samples from two unrelated infants, both with trisomy 18, and from their parents. You then type the infants and their parents for four SSRs distributed along chromosome 18:

 

                                              

In which parent did nondisjunction occur in Family 2?

TLS Online TPP Program

#Question id: 19122

#Unit 8. Inheritance Biology

Trisomy 18 is one of the most common trisomies observed in human populations. You prepare DNA samples from two unrelated infants, both with trisomy 18, and from their parents. You then type the infants and their parents for four SSRs distributed along chromosome 18:

     

             

                                         

In which division of meiosis did nondisjunction occur in Family 2?

TLS Online TPP Program

#Question id: 19123

#Unit 12. Applied Biology

What is a Biosensor?

1. Device which employs a biological material to specifically interact with an analyte

2. Physical change measured and converted into an electrical signal 

3. Device which separate analytes 

Which of the following above statements are true for biosensor?