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Chapter 5 Mendel’s Work Gregory Mendel experimented with hundreds of pea plants to understand the process of ____________. Heredity: ______________________ Genetics: ______________________ Traits: ________________________ Mendel’s Peas In a flower, the female sex cells, or eggs, are produced by the ______________________. Pollen, which contains the male sex cells, or sperm, is produced by the ___________________. Mendel’s Experiments Purebred plants are ___________________________________________________. In Mendel’s first experiment purebred _____________ were crossed with purebred _____________. Parent plants were called _________ or the P ______________. Offspring called the first _________ or the F _______________. Filial mean ____________ in ______________. Other Traits Mendel studied six other traits, _________, ___________, ____________, _____________, _____________, ______________. Two forms of seed shapes were __________ and ______________. Dominant and Recessive Alleles Parents contribute ______ allele to each child. Alleles are ____________________________________. The gene for height has one allele for _________ and one allele for ____________. Dominant trait: _________________________________________. Recessive trait: _________________________________________. A purebred short pea plant has ________ ___________ alleles. A purebred tall pea plant has __________ __________ alleles. A hybrid pea plant has one __________ allele and one __________ allele. Dominant Allele - ____________ letter. Recessive Allele - ____________ letter.