#Question id: 4618
#XL - T Zoology
Which of the following observations helped Darwin shape his concept of descent with modification?
#Question id: 5693
#XL - T Zoology
Type of nondisjunction leads to regions of tissue with different chromosome constitutions, a condition known as mosaicism is due to
#Question id: 4979
#XL - S Microbiology
The dicynodonts that survived the Permian extinction would initially have had to endure (or escape from) the physical effects of __________, and subsequently, the biological effects of __________.
#Question id: 2672
#XL - T Zoology
What is the name of the stretch of DNA where RNA polymerase binds?
#Question id: 8787
#XL - R Botany
Which of the following statements is accurate, at least according to our present knowledge?