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Genetics Review. Genetic Material. The nucleus of a cell contains genetic material DNA Chromosomes Genes. www.kent.edu/projects/cell/page7.htm. Genes. Genes are short sections of chromosomes. http://www.accessexcellence.org. Genes come in pairs.
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Genetic Material • The nucleus of a cell contains genetic material • DNA • Chromosomes • Genes www.kent.edu/projects/cell/page7.htm
Genes • Genes are short sections of chromosomes http://www.accessexcellence.org
Genes come in pairs • Since chromosomes come in pairs (one from mom, one from dad) Genes come in pairs http://anthro.palomar.edu/biobasis/images/karyotype_male.gif
Allele • Alleles are versions of a gene • Every gene has two or more alternatives http://library.thinkquest.org