heredity
huh-RED-i-tee
/hɪˈrɛdɪti/
The passing on of physical or mental characteristics genetically from one generation to another.
Refers to the biological process and principles by which traits are inherited, rather than the traits themselves or the act of receiving them.
The story behind the word. 'Heredity' comes from the Latin hereditas, meaning 'heirship' or 'inheritance.' This root highlights the concept of something being passed down from one generation to the next, much like property or titles are inherited. It perfectly captures the idea of genetic information being bequeathed.
Word relationships
- genetic transmission: More technical, emphasizing the mechanism.
- inheritance: Can refer to the process or the actual traits passed down; 'heredity' is strictly the process.
Commonly confused with
- inheritance: 'Heredity' is the general process of passing traits, while 'inheritance' refers to the specific traits or characteristics received from parents.
Word family
- hereditary (adjective): Transmitted from parent to offspring.
- inherit (verb): To receive (a quality, characteristic, or disease) genetically from one's parents or ancestors.
Collocations
- laws of heredity
- human heredity
- patterns of heredity
Example sentences
- "Gregor Mendel's experiments with pea plants laid the foundation for our understanding of heredity." Discussing genetic principles.
- "Both environmental factors and heredity contribute to an individual's susceptibility to certain diseases." Referring to inherited traits.
Memory hook
'Heredity' is how traits are 'HERED' (heard) from parents to children. Inherited traits.
When not to use
Don't confuse 'heredity' (the process or phenomenon) with 'inheritance' (the specific traits received) or 'genes' (the units of inheritance).
Fun facts
- Before Mendel, many believed in 'blending inheritance,' where offspring were a mix of parental traits, rather than distinct units of heredity.
- The study of heredity is called genetics.
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