Examlex
Which of the following complexes has five unpaired electrons?
Dizygotic Twins
Often referred to as fraternal twins, these are siblings born at the same time but developed from two separate eggs fertilized by two different sperm cells.
Zygotes
The initial cell that forms when a sperm cell fertilizes an egg cell, marking the start of human development.
Ovum
The female reproductive cell or gamete in animals, also referred to as an egg cell, that can develop into a new individual following fertilization.
Sperm
Male reproductive cells or gametes in sexually reproducing organisms, involved in fertilizing the ovum to initiate pregnancy.
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