SCI 240 Chapter Notes - Chapter 5: Fetus, Congenital Heart Defect, Miscarriage
3 Feb 2015
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During the process of cell division, one set of chromosomes is distributed to each offspring cell: this process is key to both sexual and asexual reproduction, sexual reproduction. : the formation of genetically unique offspring: it begins with fertilization, the joining of gametes (sperm & egg) to form a single cell called a zygote. In an adult, millions of cells divide every second to replace lost or damaged cells to heal a wound, for example: asexual reproduction participation of sperm or egg. Single celled organisms can reproduce asexually by binary fission ( splitting into two ) In binary fission, an organism"s single cell divides, creating two genetically identical offspring: plant reproduction. : the units of inheritance made from dna that code for proteins: almost all of the genes in a eukaryotic cell approximately 21 thousand in humans are found on structures called chromosomes, located in the nucleus. Here we focus on eukaryotes such as animals, plants, & fungi.
