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Reproduction (sci7)

TermDefinition
egg the female sex cell, created in the ovaries
sperm the male sex cell, created in the testes
reproduction the process of organisms producing offspring
asexual reproduction a type of reproduction that involves 1 parent, and the offspring is genetically identical to the parent
sexual reproduction a type of reproduction that involves 2 parents, and the offspring has a combination of genes from both parents
mitosis cell division (one parent cell splitting to become 2 new daughter cells)
DNA the long molecule found in the nucleus of all cells that contains the genetic code for all traits of that organism (stands for deoxyribonucleic acid)
genetic relating to information about the traits of an organism (relating to the information in DNA that determines traits)
nucleus the organelle that is like the brain of the cell, contains the DNA
cell the smallest unit of life
body cells any cells in an organism EXCEPT egg & sperm (skin cell, brain cell, liver cell, bone cell, red blood cell, muscle cell, etc.)
*meiosis the special kind of cell division that creates eggs (in ovaries) or sperm (in testes)
*gonads the ovaries or the testes, the parts of the body where sex cells are made
unicellular an organism with just one cell like a bacteria, amoeba, yeast
multicellular organism made of many cells (snake, human, eagle, etc)
fertilization the process of egg joining with sperm
zygote a fertilized egg right after fertilization (one cell)
embryo unborn offspring that is still growing or developing
offspring scientific term for kid, baby, child, etc.
daughter cells the 2 cells produced in the process of cell division (by the splitting of the parent cell)
trait a physical feature of an organism (eye color, height, hair color, fur pattern, etc.)
parent cell the cell that splits to make two daughter cells during mitosis or cell division
sex cells egg & sperm cells, contain 1/2 the normal amount of genetic information
Created by: rhk9
 

 



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