Mendel's law
American-
Any of the principles first proposed by Gregor Mendel to describe the inheritance of traits passed from one generation to the next.
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◆ Mendel's first law (also called the law of segregation) states that during the formation of reproductive cells (gametes), pairs of hereditary factors (genes) for a specific trait separate so that offspring receive one factor from each parent.
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◆ Mendel's second law (also called the law of independent assortment) states that chance determines which factor for a particular trait is inherited.
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◆ Mendel's third law (also called the law of dominance) states that one of the factors for a pair of inherited traits will be dominant and the other recessive, unless both factors are recessive.
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See more at inheritance
Etymology
Origin of Mendel's law
First recorded in 1900–05
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The physical basis of Mendel’s law of segregation is the first division of meiosis, in which the homologous chromosomes with their different versions of each gene are segregated into daughter nuclei.
From Textbooks • Jun. 9, 2022
Which cellular process underlies Mendel’s law of independent assortment?
From Textbooks • Jun. 9, 2022
The physical basis of Mendel’s law of segregation is the first division of meiosis in which the homologous chromosomes with their different versions of each gene are segregated into daughter nuclei.
From Textbooks • Apr. 25, 2013
According to Mendel’s law of independent assortment, genes sort independently of each other into gametes during meiosis.
From Textbooks • Apr. 25, 2013
Another corollary of Mendel's law is the following.
From Species and Varieties, Their Origin by Mutation by Vries, Hugo de
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
