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TLS Online TPP Program

#Question id: 10966

A couple requests blood typing of their 2-year-old child (father AB, Rh-negative; mother B, Rhnegative). Results of hemagglutination assays of the child’s blood are shown in the next figure. Which of the following conclusions concerning the child’s parentage is valid?


#Unit 7. System Physiology – Animal
  1. The child could be the natural offspring of this couple
  2. The mother could be the natural mother, but the father could not be the natural father
  3. The father could be the natural father, but the mother could not be the natural mother
  4. Neither the father nor the mother could be the natural parents
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TLS Online TPP Program

#Question id: 10458

#Unit 6. System Physiology – Plant

Which of the following statements is not true for cry proteins?
TLS Online TPP Program

#Question id: 337

#Unit 1. Molecules and their Interaction Relevant to Biology

Which statement below is true about the relative lifetime of a hydrogen bond, compared to the rate of water’s ionization to hydroxide ions and hydronium ions?
TLS Online TPP Program

#Question id: 3542

#Unit 8. Inheritance Biology

All genes are not linked. The probability of a progeny being AaBBccDd from a corss between AABbccDd and aaBBccDD parents will be
TLS Online TPP Program

#Question id: 5219

#Unit 11. Evolution and Behavior

What is it that can be duplicated in a genome?
TLS Online TPP Program

#Question id: 9610

#Unit 9. Diversity of Life Forms

The term ʺhomoplasyʺ is most applicable to which of these features?