Genetics & Heredity Who was Gregor Mendel? Who was Gregor Mendel? Austrian monk who studied mathematics and science As a boy he could predict the possible types of flowers and fruits that would result from crossbreeding two plants in his father’s garden Who was Gregor Mendel?
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The study of how traits are inherited through the interactions of genes.
The passing of traits from parent to offspring
The gene for the color of some flowers has one allele for red and one for white. When both alleles are present, neither is dominant, and the flower color is pink
An organism's genetic makeup
Outward physical appearance and behavior of an organism
The alleles for blood types in humans are called A, B, and O
The O allele is recessive to both the A and B alleles
When a person inherits one A allele and one B allele for blood type, both alleles are expressed
The person has the blood phenotype AB
A person with phenotype A blood inherited an A and an O allele (AO)
an A and an A allele (AA)
Someone with phenotype B blood has the genotype BB or BO
This person inherited either a B and an O allele
Two B alleles
A person with phenotype O blood has the genotype OO