Which of the Following Have a 40% to 60% Similarity

question 55

Multiple Choice

Which of the following have a 40% to 60% similarity of genetic inheritance?

• A)identical twins
• B)fraternal twins
• C)cousins
• D)adopted siblings

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Definitions:

Transcription Factor

Regulatory protein that influences transcription by binding directly to DNA; e.g., an activator or repressor.

Enhancer

DNA sequences that increase the transcription level of a gene they are associated with, enhancing gene expression.

Lactose Operon

A group of genes involved in the metabolism of lactose in bacteria, controlled by a mechanism that turns gene expression on or off depending on the presence of lactose.

Enzymes

Biological molecules, typically proteins, that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.