Recent Examples of chromosome from the Web
If the matching doesn’t perfectly pair up, the egg will end up with an abnormal amount of chromosomes.
The test also checked the samples for aneuploidy, the presence of abnormal numbers of chromosomes in cells.
This typically occurs when the ends of a cell's chromosomes, which help protect the gene-rich regions, get too short, which happens with age.
The offspring, all females, inherited identical copies of her three sets of chromosomes.
Seth was diagnosed at a young age with a rare chromosome deletion which has led to severe health complications.
Another interesting finding from the studies of the brothers: Kelly’s telomeres, which are the endcaps of chromosomes that shorten as a person ages, became significantly longer, NASA said.
Mason's team also saw changes in the length of Scott's telomeres, caps at the end of chromosomes that are considered a marker of biological aging.
An egg is one cell, the largest cell in the body, and contains a lot of fluid and a structure called a spindle, which helps organize the chromosomes.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chromosome.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of chromosome
First Known Use: 1889See Words from the same year
CHROMOSOME Defined for English Language Learners
Definition of chromosome for English Language Learners
: the part of a cell that contains the genes which control how an animal or plant grows and what it becomes
CHROMOSOME Defined for Kids
Definition of chromosome for Students
medical Definition of chromosome
- both the chromosomes of cells and those of viruses can duplicate only in the complex environment of a living cell
- —J. D. Watson
- an episome, an element that may exist as a free circular plasmid, or that may become integrated into the bacterial chromosome as a linear sequence
- —Benjamin Lewin
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