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1. Chromosome - Definition, Function & Structure | Biology Dictionary
biologydictionary.net
Link: https://biologydictionary.net/chromosome/
Description: WebOct 4, 2019 · Chromosome Definition. A chromosome is a string of DNA wrapped around associated proteins that give the connected nucleic acid bases a structure. During interphase of the cell cycle, the chromosome exists in a loose structure, so proteins can be translated from the DNA and the DNA can be replicated. During mitosis and meiosis, the …
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2. Chromosomes Fact Sheet - National Human Genome Research …
genome.gov
Link: https://www.genome.gov/about-genomics/fact-sheets/Chromosomes-Fact-Sheet
Description: WebAug 15, 2020 · Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique. The term chromosome comes …
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3. Chromosome - Wikipedia
wikipedia.org
Link: https://en.wikipedia.org/wiki/Chromosome
Description: WebChromosomes in humans can be divided into two types: autosomes (body chromosome (s)) and allosome ( sex chromosome (s)). Certain genetic traits are linked to a person's sex and are passed on through the sex chromosomes. The autosomes contain the rest of the genetic hereditary information.
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4. Chromosome | Structure & Function | Britannica
britannica.com
Link: https://www.britannica.com/science/chromosome
Description: WebMar 12, 2024 · The cell divides, and both of the daughter cells have a complete (diploid) set of chromosomes. The chromosomes uncoil in the new cells, again forming the diffuse network of chromatin. Among many organisms that have separate sexes, there are two basic types of chromosomes: sex chromosomes and autosomes.
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5. What is a chromosome?: MedlinePlus Genetics
medlineplus.gov
Link: https://medlineplus.gov/genetics/understanding/basics/chromosome/
Description: WebJan 19, 2021 · What is a chromosome? In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
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6. What are Chromosomes? - University of Utah
utah.edu
Link: https://learn.genetics.utah.edu/content/basics/chromosomes
Description: WebHome. Basic Genetics. What are Chromosomes? Each Chromosome Has Many Genes. The human genome includes 21,000 or so genes, spread out along 3 billion base pairs of DNA. This DNA is distributed among 23 chromosomes, of which we have two sets. We inherit one set from each parent.
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7. Chromosomes (article) | Cell cycle | Khan Academy
khanacademy.org
Link: https://www.khanacademy.org/science/ap-biology/cell-communication-and-cell-cycle/cell-cycle/a/dna-and-chromosomes-article
Description: WebThe 46 chromosomes of a human cell are organized into 23 pairs, and the two members of each pair are said to be homologues of one another (with the slight exception of the X and Y chromosomes; see below). Human sperm and eggs, which have only one homologous chromosome from each pair, are said to be haploid ( 1n ).
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8. Chromosome - National Human Genome Research Institute
genome.gov
Link: https://www.genome.gov/genetics-glossary/Chromosome
Description: WebMar 18, 2024 · Definition. 00:00. … Chromosomes are threadlike structures made of protein and a single molecule of DNA that serve to carry the genomic information from cell to cell. In plants and animals (including humans), chromosomes reside in the nucleus of cells.
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9. Chromosomes | Learn Science at Scitable - Nature
nature.com
Link: https://www.nature.com/scitable/topicpage/chromosomes-14121320/
Description: WebWhat Are Chromosomes? Cellular DNA is never bare and unaccompanied by other proteins. Rather, it always forms a complex with various protein partners that help package it into such a tiny space....
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10. Genes and Chromosomes - Fundamentals - The Merck Manuals
merckmanuals.com
Link: https://www.merckmanuals.com/home/fundamentals/genetics/genes-and-chromosomes
Description: WebChromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus. A chromosome contains hundreds to thousands of genes. Every normal human cell contains 23 pairs of chromosomes, for a total of 46 chromosomes.