Examlex
Plants, but not animals, carry out photosynthesis while animals, but not plants, carry out aerobic respiration.
Teratogens
Environmental influences or agents that can damage the embryo or fetus.
Sex Chromosome
A chromosome in the shape of a Y (male) or an X (female) that determines the anatomic sex of the child.
Deoxyribonucleic Acid (DNA)
Genetic material that takes the form of a double helix composed of phosphates, sugars, and bases.
Cytosine
One of the four main nucleobases found in DNA and RNA, which pairs with guanine.
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