Can a trait be sex-linked and autosomal?
The Human Genome:
The human genome contains about twenty thousand genes and roughly three billion base pairs make up those genes. Humans are a diploid species meaning that humans contain two copies of each chromosome. The human genome is stored in every cell that contains a nucleus. The three billion base pairs are made up of combinations of guanine, adenine, thymine, and cytosine. Adenine and thymine hydrogen bond together to make one base pair and guanine and cytosine form hydrogen bonds to make another base pair. The amount of hydrogen bonds between the two base pairs is unique. Adenine and thymine make two hydrogen bonds and guanine and cytosine create three hydrogen bonds.
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fromChapter 9 / Lesson 5
The X and Y chromosomes carry sex-linked genes that determine more than just a person's biological sex. Learn how sex-linked genes work to determine things like hair color and the development of genetic disorders.