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

Fusion of the haploid micronuclei generates a completely novel diploid pre-micronucleus in each conjugative cell.

From Textbooks • Jan. 1, 2015

Technically the tissue-cells are said to contain the diploid number of chromosomes, the gametes the reduced or haploid number.

From Being Well-Born An Introduction to Eugenics by Guyer, Michael F.