If a cell normally has 24 chromosomes, how many chromosomes would each of its four daughter cells have after meiosis?
Answer: 12 - meiosis reduces the number of chromosomes passed on to its daughter cells by one half
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Which of the following choices represents the complete sequence of events relating to meiosis?
a. cell division, DNA replication, cell division b. DNA replication, cell division, DNA replication, cell division c. DNA replication, cell division, cell division d. DNA replication, cell division
The semicircular canals are
a. empty. b. filled with gas. c. filled with a liquid. d. filled with bones or stones. e. filled with sand grains.
______ and nitric oxide coordinate a plant's response to pathogens by closing stomata, thus preventing further entry.
Fill in the blank(s) with the appropriate word(s).
Which of the following is true regarding any given modal action pattern?
a. usually found in many species b. involves species-specific responses c. cannot be elicited by a stimulus found in the organism's usual environment d. involves movement towards or away from a stimulus