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

Biology & Microbiology

You might also like to view...

Members of the class _______ are worm-like mollusks that lack a shell and have aragonite spicules on their skin.

a. Monoplacophora b. Aplacophora c. Scaphopoda d. Polyplacophora

Biology & Microbiology

__________ neurons detect stimuli. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

The Environmental Protection Agency estimates that approximately ________% of rural wells and water systems have some type of pollutant in them

Fill in the blank(s) with correct word

Biology & Microbiology

A rescue effect occurs when:

a. lost genetic variation of a population is restored by immigration b. genetic variation is maintained by immigration c. large genetic variation is decreased due to fragmentation d. lost genetic variation of a population is restored by an invasive species e. when individuals of different species reproduce

Biology & Microbiology