Genetically Identical Twins First Begin Their Separate Paths of Prenatal

question 35

Multiple Choice

Genetically identical twins first begin their separate paths of prenatal development during ________ development.

• A) embryonic
• B) fetal
• C) zygotic
• D) ovular

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Definitions:

C-C

Refers to the covalent bond between two carbon atoms in organic chemistry.

σ Bond

The strongest type of covalent chemical bond formed by the head-on overlapping of atomic orbitals.

Allene

Organic compounds characterized by a cumulated diene system with two carbon-carbon double bonds.

Correct Hybridization

The mixing of atomic orbitals to form new hybrid orbitals, explaining the geometry of molecular bonding.