Noun
Physical similarities shared between close relatives, especially between parents and children and between siblings.
(philosophy) One of a series of overlapping similarities between two or more comparanda.
Source: en.wiktionary.orgNow I see some family resemblance. I was starting to wonder if Jill was adopted, but you two kind of look like each other." "So does our mailman back in North Dakota," said Adrian. Richelle Mead
It is from the progeny of this parent cell that we all take our looks; we still share genes around, and the resemblance of the enzymes of grasses to those of whales is in fact a family resemblance. Lewis Thomas