What factors contribute to genetic variation in populations?
What will be an ideal response?
The factors include crossing over and independent assortment during gamete production, new combinations arising as a result of fertilization, and mutations.
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Secondary spermatocytes and secondary oocytes are
A) haploid. B) diploid. C) stem cells. D) zygotes.
When gene flow within a population is ended,
it will most likely lead to ____ in the immediate future.
a. new variations b. new species c. gene frequencies d. competition e. reproductive isolation
Which structure is the site of the synthesis of proteins that may be exported from the cell?
a. rough ER b. lysosomes c. plasmodesmata d. Golgi vesicles e. tight junctions
As a consequence of your reticular activating center (RAS) bombarding your cerebral cortex, you feel sleepy
____________________ Indicate whether the statement is true or false.