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TLS Online TPP Program

#Question id: 5692

Aneuploids can be produced several ways except

#SCPH06 I Botany

  1. chromosome may be lost in the course of mitosis or meiosis

  2. small chromosome generated by a Robertsonian translocation may be lost in mitosis or meiosis,

  3. may arise through nondisjunction, the failure of   homologous chromosomes or sister chromatids to separate in meiosis or mitosis

  4. inversion of chromosomal segment including centromere

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TLS Online TPP Program

#Question id: 4345

#SCPH01 Biochemistry

For a repressible operon to be transcribed, which of the following conditions must occur?
TLS Online TPP Program

#Question id: 11121

#SCPH28 | Zoology

Which of the following statements concerning the mechanoreceptive receptor potential is/are true?
TLS Online TPP Program

#Question id: 3279

#SCPH06 I Botany

Which two of the following have operated to increase divergence between mosquito fish populations on island?

a. improved gene flow

b. bottleneck effect

c. sexual selection

d. founder effect

e. natural selection
TLS Online TPP Program

#Question id: 416

#SCPH01 Biochemistry

The immediate precursors of DNA and RNA synthesis in the cell all contain:
TLS Online TPP Program

#Question id: 9152

#SCPH28 | Zoology

In mountainous areas of western North America, north-facing slopes would be expected to ________.