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Genetics - Coggle Diagram
Genetics
Replication of DNA
Causes of mutations
Can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses
Effects of mutations
Only a small percentage of mutations cause genetic disorders most of them have no impact on health or development. Some mutations alter a gene's DNA sequence but do not change the function of the protein made by the gene
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Monohybrid crosses
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A cross in which only a single trait is analyzed, disregarding all other traits
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Dihybrid crosses
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Crossing over
During prophase I of meiosis, after homologous chromosomes have paired and a synaptonemal complex had formed, the DNA of the homologs breaks, and the end of each homolog is attached to the other homolog, resulting in two new chromosomes
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Is the science of inheritance, the chemical basis of genetic inheritance is the gene.
