The karyotypes of several primate species, such as chimpanzee and gorilla, show two nearly telocentric chromosomes as opposed to the single large metacentric chromosome 2 in humans
Does this demonstrate chromosome breakage or fusion at the time of lineage divergence?
fusion
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Population density can affect the age at which an animal matures
Indicate whether the statement is true or false
Which of the following statements, concerning an acidic solution, is false?
A) In acidic solutions, as the concentration of hydrogen ions increases the solution becomes more acidic B) In acidic solutions, any value of the pH scale above 7 is considered acidic C) Microorganisms can grow in acidic solutions
If you found a fossilized dinosaur bone, what could be done to accurately determine the age of the fossil?
A) Extract and sequence DNA from the bone. B) Look at pieces of the bone under a microscope. C) Analyze the isotopes of carbon in the fossil. D) Compare the appearance of the bone to other fossilized bones.
Assuming the plant survives, predict what would occur if you removed the shoot apical meristem of a plant embryo.
A. The plant would grow two or more new shoot apical meristems. B. Growth would only occur at in the roots. C. The plant would mature, but only through vertical growth--no branches would form. D. The root apical meristem would take over the function of the shoot apical meristem.