haploid

American  

[hap-loid] / ˈhæp lɔɪd /

adjective

1. single; simple.

2. Biology. pertaining to a single set of chromosomes.

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noun

1. Biology. an organism or cell having only one complete set of chromosomes, ordinarily half the normal diploid number.

haploid British  

/ ˈhæplɔɪd /

adjective

1. (esp of gametes) having a single set of unpaired chromosomes

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noun

1. a haploid cell or organism

haploid Scientific  

/ hăp′loid′ /

1. Having a single set of each chromosome in a cell or cell nucleus. In most animals, only the gametes (reproductive cells) are haploid.

2. Compare aneuploid diploid See Note at mitosis

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Other Word Forms

• haploidy noun

Etymology

Origin of haploid

First recorded in 1905–10; hapl- ( def. ) + -oid

Example Sentences

To determine the roles of our genes, researcher Thijn Brummelkamp developed a method using haploid cells.

From Science Daily • May 16, 2024

In bees, males are typically haploid and have only one set of chromosomes, but when they're inbred, they can have two sets of the same chromosomes and lack genetic diversity.

From Science Daily • Apr. 4, 2024

In this case, the ants have haploid cells from two divergent lineages: R and W. Humans, for example, have X and Y haploid cells.

From Salon • Jul. 24, 2023

Other protists have multicellular stages in both haploid and diploid forms, a strategy called alternation of generations that is also used by plants.

From Textbooks • Jan. 1, 2015

The next stage is their separation to the haploid daughter-nuclei, which have resulted from the reduction process.

From Darwin and Modern Science by Seward, A. C. (Albert Charles)