Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 35298
TLS Online TPP Program

#Question id: 5691

Which of the following most accurately explains the cause for the abnormal numbers of chromosomes during human reproduction that can result in Down syndrome, Turner’s syndrome, or Klinefelter’s syndrome?

#Unit 8. Inheritance Biology

  1. The occurrence of nondisjunction of homologous chromosomes during meiosis

  2. The duplicative production of extra chromosomes during DNA replication

  3. The abnormal pairing of nonhomologous chromosomes during prophase of meiosis I

  4. The selective loss of particular chromosomes from the sex cells after formation of the mature gamete

More Questions
TLS Online TPP Program

#Question id: 5080

#Unit 5. Developmental Biology

As cleavage continues during frog development, the size of the blastomeres:
TLS Online TPP Program

#Question id: 11113

#Unit 7. System Physiology – Animal

Exchange of both oxygen and carbon dioxide through the respiratory membrane occurs by:
TLS Online TPP Program

#Question id: 15542

#Unit 8. Inheritance Biology

How would you expect a mutation in a gene encoding a tail fiber protein would affect the plaque phenotype of T4?
TLS Online TPP Program

#Question id: 15261

#Unit 2. Cellular Organization

Lactose and neutral red dye are used in MacConkey agar. This type of media is an example of 
TLS Online TPP Program

#Question id: 5451

#Unit 8. Inheritance Biology

High heritability is best demonstrated in which of the following situations?