Web Results

Chromosomal crossover


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 Meiosis? - Live Science


Oct 15, 2015 ... 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 DNA ... Shuffling the genetic information allows you to find new ...

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 ...

Meiosis Animation - Sumanas, Inc.


Sexual reproduction requires meiosis, a process in which a parent cell. divides to produce cells with half the genetic material of the parent. A ... of homologous. chromosomes exchange genetic. material. During Telophase I ... This shuffling of the genetic material produces genetically unique ... interphase period, called.

What is the exchange of genetic material between homologous ...


The exchange of genetic material between homologous chromosomes is called crossing over. This process happens during meiosis. Because crossing over ...

Chapter 9


Reducing the chromosome number; Shuffling the chromosomes and gens to ... The 23 pairs of chromosomes (46 altogether) are called the diploid (2n) ... Meiosis occurs during sexual reproduction and the number of chromosomes ... Crossing-over where the nonsister chromatids from the tetrad exchange genetic material.

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. ... The above post is reprinted from materials provided by European ...



The fusion cells are called GAMETES , or sex cells. ... The fertilized egg would have twice the amount of genetic material it must have. ... The exchanged genes in meiosis must code for the same characteristic - hair color, eye color, etc. .... This allows the chromosomes we received to shuffle their genes somewhat so that our ...

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 ...

More Info

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 ...

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.