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Genetics - Coggle Diagram
Genetics
Traits
Allele
an alternate form of a gene
Dominant
an allele that always shows up in the phenotype
Recessive
an allele that don't show up in the phenotype if a dominant allele is present
Genotype
the set of alleles an ornganism has for a trait
Heterozygous
when an organism has both alleles
Homozygous
when an organism has the same alleles (recessive phenotype is always this)
Phenotype
what an organism looks like
Non-Mendelian Genetics
when genetic inheritance doesn't follow Mendel's laws
Codominance
when there are two dominant alleles that are expressed at the same time in different places
Incomplete Dominance
when the dominant and recessive alleles mix together to create a unique phenotype
Cell Division
Mitosis
used for asexual reproduction, somatic cell growth, produces 2 diploid cells
Diploid
a cell that has a full set of chromosomes (2N)
Meiosis
the method of cell division used to create gametes
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Gametes
a haploid cell that joins with another and creates an organism
Crossing over
during Meiosis I prophase, each chromosome swaps alleles with other chromosomes
Haploid
a cell that has half of the required chromosomes
Chromosomes
a packaged form of DNA
