Identical twins can result from
a. the fusion of two sets of identical gametes.
b. a division of a zygote into two separate cells that develop into two separate embryos.
c. the fusion of two paternal gametes with a single maternal gamete that then divides.
d. a lack of chromosomal separation during meiosis resulting in gametes that are diploid and
don't need to be fertilized.
e. a mechanism that is not understood.
B
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__________ neurons detect stimuli. Fill in the blank(s) with the appropriate word(s)
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Fill in the blank(s) with correct word
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