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Chromosomal crossover - Wikipedia


Chromosomal crossover (or crossing over) is the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes during sexual reproduction. It is one of the final...

Genetics Basics Lesson 5: Meiosis


During meiosis, genetic information is exchanged between the maternally and ... The cellular division in meiosis I is called the reduction division because it ... The purpose of meiosis is to shuffle genetic information and cut the cellular chromosome number in half, ... During Interphase I, the cell duplicates its nuclear material.

What is the function of the genetic material in a cell? | Reference.com


The two main functions of the genetic material in a cell, also known as DNA, are gene ... During Meiosis the Shuffling Exchange of Genetic Material Is Called ...

Chromosomal crossover - Science Daily


... of base pairs, the result is an exchange of genes, called genetic recombination. ... Apr. 20, 2004 — Key decisions in the genetic shuffling that occurs before eggs or sperm ... First Sex Chromosome Gene Involved In Meiosis And Male Infertility Identified ... Ensuring the Integrity of Our Genetic Material During Reproduction.

What Is Meiosis? - Live Science


Oct 15, 2015 ... Meiosis is a specialized form of cell division that produces ... In this way, the parent cell is able to pass on its genetic material from ... Eukaryotic cells also usually have specialized components called ... Homologous chromosomes (that is, chromosome pairs from the mother and the father) exchange bits of ...

Zooming In On Genetic Shuffling -- ScienceDaily


Jul 9, 2008 ... In a different type of recombination, called non-crossover, a small piece of ... onto the other without reciprocal exchange leading to gene conversion. ... On average over 150 recombination events were observed during a typical meiosis. ... of genetic material within a chromosome that makes us all unique.

Meiosis - Biology Encyclopedia - cells, plant, body, human, process ...


Meiosis itself also yields great genetic diversity in the resultant gametes through two ... and (2) physical exchange of chromosomal regions through a process called ... produces progeny chromosomes consisting of a patchwork of material from ...

Meiosis I - Boundless


the exchange of genetic material between homologous chromosomes that results in ... Finally, during the G 2 phase (also called the second gap phase), the cell ...



Sexual reproduction requires meiosis, a process in which a parent cell divides ... exchange genetic material, as indicated by crossing-over points called chiasmata . ... This shuffling of the genetic material produces genetically unique gametes, ...

Three Ways that Genetic Diversity Occurs During Meiosis - Education


This is the diploid chromosome condition and the paired chromosomes are called homologous. ... The exchange occurs between non-sister chromatids. ... By shuffling the genetic deck in this way, the gametes resulting from meiosis II have new ... so that each gamete has a potentially unique combination of genetic material.

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What is genetic material? | Reference.com


Genetic material is the medium by which instructions are transmitted from one ... During Meiosis the Shuffling Exchange of Genetic Material Is Called · Animal ...

DNA Basics- Meiosis - Contexo.info


Not only would the resulting offspring have 98 chromosomes in each cell but the number ... either an X or a Y. A cell with a single chromosome set is called a haploid cell. ... In the same light, after so many generations of shuffling and dividing, ... homologous chromosomes actually exchange genetic material in a process ...

Researchers generate whole-genome map of fruit fly genetic ...


Mar 17, 2016 ... Genetic exchange occurs via crossing over or gene conversion. ... takes place during a specialized form of cell division called meiosis. ... pairs them up, and shuffles sections of genetic material between the arms of the paired ...