The Cytochrome C Protein Is Sometimes Used to Describe the Evolutionary

question 63

Multiple Choice

The cytochrome c protein is sometimes used to describe the evolutionary relationship between species. This is because

• A) the closer the DNA sequences are between species, the closer they are related on an evolutionary scale.
• B) the closer the DNA sequences are between species, the futher apart they are related on an evolutionary scale.
• C) the more differences in the DNA sequences are between species, the closer they are related on an evolutionary scale.

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Definitions:

Extraembryonic Membranes

Membranes that develop outside of the embryo in amniotes, providing protection, nutrition, gas exchange, and waste elimination.

Synapsis

The pairing of two homologous chromosomes that occurs during meiosis, allowing for genetic recombination.

Primary Germ Layers

The three initial layers of cells (ectoderm, mesoderm, and endoderm) in the early embryo from which all bodily tissues and organs develop.

Digestive Organs

Organs involved in the digestion process, including the mouth, esophagus, stomach, liver, gallbladder, pancreas, intestines, rectum, and anus.