Chapter 11 Vocab Cont.

Gene Map: Diagram showing the relative locations of each known gene on a particular chromosome.

http://www.medscape.com/viewarticle/488972

Crossing-Over: Process in which homologous chromosomes exchange portions of their chromatids during meiosis. http://www.uic.edu/classes/bios/bios100/lecturesf04am/lect16.htm

Tetrad: Structure containing 4 chromatids that froms during meiosis.

http://www.alpine-plants-jp.com/himitunohanazono/ebine_himitu_1.htm

Meiosis: Process by which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell.

http://www.harlem-school.com/10TH/sci_pdf/sci.html

Haploid: Term used to refer to a cell that contains inly a single set of chromosomes and therfore only a single set of genes.
http://www.sci.sdsu.edu/classes/bio100/Lectures/Lect05/lect05.html

Diploid: Term used to refer to a cell that contains both sets of homologous chromosomes.

http://www.accessexcellence.org/RC/VL/GG/ecb/haploid-diploid_sexual_reproduction.html

Homologous: Term used to refer to chromosomes that each have a corresponding chromosome from the opposite-sex parent. http://www.merriam-webster.com/dictionary/homologous
Genotype: Genetic makeup of an organism. http://www.brooklyn.cuny.edu/bc/ahp/BioInfo/SD.Geno.HP.\

Phenotype: Physical characteristics of an organism. http://biology.about.com/bldefhetzyg.htm

Heterozygous: Term used to refer to an organism that has two different alleles for the same trait.http://uk.geocities.com/colin.w.jones@btinternet.com/Heterozygous.htm

Chapter 11 Vocab

Genetics: Scientific study of heredity. http://en.wikipedia.org/wiki/Genetics

True-Breeding: Term used to describe organisms that produce offspring identical to themselves if allowed to self-pollinate. http://biology.about.com/bldeftruebreed.html

Trait: Specific characteristic that varies from one individual to another.

http://webspace.ship.edu/cgboer/genpsytraits.htm
Hybrid: Offspring of crosses between parents with different traits. http://en.wikipedia.org/wiki/Hybrid

Gene: Sequence of DNA that codes for a protein and thus determines a trait. http://www.ncbi.nlm.nih.gov/sites/entrez?db=gene

Allele: One of a number of different forms of a gene. http://users.adelphia.net/~lubehawk/BioHELP!/inccodom.htmSegregation: Separation of alleles during gamete formation.
http://biology.about.com/library/glossary/bldefmenlawseg.htm

Gamete: Specialized cell involved in sexual reproduction. http://www.tiscali.co.uk/reference/encyclopaedia/hutchinson/m0008016.html

Probability: Likelihood that a particular event will occur.http://www.stat.wisc.edu/courses/st371-larget/prob-handout.pdf

Punnett Square: Diagram showing the gene combinations that might result from a genetic cross.
http://www.lakesideschool.org/upperschool/departments/science/bio/punnettsolutions.htm

Homozygous:Term used to refer to an organism that has two identical alleles for a particular trait. http://www.fao.org/docrep/006/x3840e/X3840E02.htm