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Genetics Concept Map

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by

Jane Doe

on 13 December 2012

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Transcript of Genetics Concept Map

Genetics Concept Map! by Ishween Sehmbhi Genetics is the study of Genes which every cell stores in DNA deoxyribonucleic acid which has different forms like Chromatin (condensed,thick, spaghetti-like) Chromosome (x-structure with a centromere in the middle) DNA Strands which was proposed by James Watson



Francis Crick contains 4 nucleotides adenine guanine thymine cytosine named pairs up with pairs up with twist into a helix which pair up and that are found in and every organism has a different Genotype which determines its Phenotype
(looks) Cells that can divide to to repair dead/damaged tissue help embryos develop into organisms grow larger replace old and dead cells reproduce (if single-celled organism) that divide using Mitosis
(asexual reproduction) Meiosis
(sexual reproduction) in which the stages are in which the stages are Interphase then Prophase then then then (part of cell cycle, not mitosis, but crucial) Metaphase Anaphase Telophase then Cytokinesis (a part of cell cycle, not mitosis, but a vital part of cell division) meiosis 1 which is used to map out Karyotypes that show 22 pairs of autosomal chromosomes 1 pair of sex chromosomes Errors in chromosomes like duplication, inversion, translocation, deletion, Nondisjunction which can cause monosomies or trisomies, polyploidies which can cause diseases like Down's Syndrome, Turner's Syndrome, Kleinefelter's Syndrome Prophase 1 then Metaphase 1 then Anaphase 1 then Telophase 1 then Prophase 2 then Metaphase 2 then Anaphase 2 then Telophase 2 Cell Cycle they're both a part of the Tetrads genetic variation occurs in which may have Recessive alleles Dominant alleles which show if it is Homozygous dominant Heterozygous which show if it is Homozygous recessive determine Traits sometimes shows Codominance Incomplete Dominance usually expresses Dominant Allele using Test crosses and Punnett squares which can show Genetic Probability which can have Multiple Alleles which are determining factors of Blood Types including Type A Type B Type AB Type O ii I I A B I I or I i B B B I i or I I A A A Rh+ or Rh- Rh Antigen which can make the blood which contain and it can also cause Pregnancy complications (universal donor) (universal receiver) which can be Polygenic Traits such as skin colour Sex-Linked X-Linked recessive traits more common in males because they only inherit one X chromosome can be interpreted for families using Pedigrees Use your mouse to drag and scroll around and to view the map.
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