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: 12114

#Unit 10. Ecological Principles

Researchers have found that a region of the canary forebrain shrinks during the nonbreeding season and enlarges when breeding season begins. This annual enlargement of brain tissue is probably associated with the annual

TLS Online TPP Program

#Question id: 7530

#General Aptitude

Two trains are moving in opposite directions at 72 km per hour and 90 km per hour . Their lengths are 500 m and 400 m respectively. the time taken by the Slower train to cross the faster train is

TLS Online TPP Program

#Question id: 7490

#General Aptitude

The clock at my home was 8 minutes behind at 8 pm on Sunday but within a week at 8 pm on Wednesday it was 7 minutes ahead of time. During this period, at which time this watch has shown the correct time?

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#Question id: 2772

#Unit 2. Cellular Organization

Mobile DNA elements likely contributed to the evolution of higher organisms by the

TLS Online TPP Program

#Question id: 29518

#Unit 6. System Physiology – Plant

Avenacin A1, found in oat (Avena sativa) roots and tomatine found in Tomato plants are