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Genetic Unit
7th grade science
Question | Answer |
---|---|
sexual reproduction | 2 parents pass on traits |
acquired traits | traits developed during life |
inherited traits | traits that resemble parents |
heredity | the passing of genes from parents to offspring |
alleles | the various forms of the same genes (options) |
phenotype | describes the actual characteristics that can be observed |
genotype | the name for the genes an organism has |
dominant alleles | one that is expressed in the phenotype even if only one copy is present |
recessive alleles | one that is expressed in the phenotype only when 2 copies of it are present on the homologs. |
Gregor Mendel | 1800's monk who attended university for math and science. He worked in a monastary garden who studied pea plants and noticed how the offspring matched the parent. Made a conclusion that one factor must come from each parent. |