genetics
noun
ge·net·ics
jə-ˈne-tiks 
plural in form but singular in construction
1
: a branch of biology that deals with the heredity and variation of organisms
2
: the genetic makeup and phenomena of an organism, type, group, or condition
Examples of genetics in a Sentence
Recent Examples on the Web
Genetics Lab Visitors will run into a rat man in the genetics lab where a medical splicing device is in operation.
—
Brady MacDonald, Oc Register, 12 Sep. 2025
See All Example Sentences for genetics
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Brady MacDonald, Oc Register, 12 Sep. 2025
See All Example Sentences for genetics
Cite this Entry
“Genetics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/genetics. Accessed 20 Sep. 2025.
Copy CitationKids Definition
genetics
noun
ge·net·ics
jə-ˈnet-iks
: a branch of biology that deals with the inherited traits and variation of organisms
Medical Definition
genetics
noun, plural in form but singular in construction
ge·net·ics
jə-ˈnet-iks
1
a
: a branch of biology that deals with the heredity and variation of organisms
b
: a treatise or textbook on genetics
2
: the genetic makeup and phenomena of an organism, type, group, or condition
Love words? Need even more definitions?
Merriam-Webster unabridged
Share