The phrase 'biological characteristic' is correct and usable in written English.
You can use it when referring to a physical trait that is genetically determined, such as hair color, eye color, height, etc. Example sentence: Her dark hair and blue eyes were two of her most prominent biological characteristics.
Preference for salty taste is not a biological characteristic; it is learned.
In the field of evolutionary biology, scientists can postulate an evolutionary relationship between species, which suggests the development of some biological characteristic — legs, say, as animals moved from the sea to the land, or eyes, as organisms developed photoreceptors that helped to guide their search for food.
It explicitly legalizes discrimination if it is motivated by one of three beliefs: that marriage is a union between one man and one woman, that sexual relations can take place only within such a marriage, and that gender is an immutable biological characteristic.
However, fingerprint is a 3D biological characteristic.
One yet unexplained biological characteristic of carcinoids is that to tend to develop fibrosis [30, 31].
Thirdly, an important biological characteristic of the TEC described is its tissue adhesiveness.
Streptavidin is a kind of protein that gained from streptomyces, and it has a similar biological characteristic with affinity.
A biomarker is a measurable and quantifiable biological characteristic that can serve as an indicator of healthy or pathological processes.
Although it is a 3D biological characteristic, traditional methods are designed to provide only a 2D image.
Liu et al. studied the biological characteristic authentication and multimedia signal fast encoding over 5G for improving the security level of the Internet [13].
A biomarker is "a biological characteristic, objectively measured (i.e., with acceptable accuracy and reproducibility) and used as an indicator for a physiological or pathological process, or of the activity of a medicine".
