The physical appearance of an organism is called its
phenotype
This tool is used to predict the possible genotypes and phenotypes of the offspring of two parents
Punnett square
The genetic makeup of an organism is called its
genotype
This allele is only expressed in the homozygous form. Two alleles must be present for it to show up.
recessive
If there is a 100% chance that the children produced by two parents will have the recessive trait of BLUE eyes, what MUST the genotypes of the parents be?
Homozygous recessive (bb & bb)
He is referred to as the "Father of Genetics"
Gregor Mendel
On a Punnett square, who is represented by the genotypes OUTSIDE the box?
the parents
On a Punnett square, who is represented by the genotypes INSIDE the boxes?
Possible offspring / children
When an organism has two identical alleles it is called
homozygous / purebred
This allele always takes over and is expressed in the offspring
dominant
When an organism has two different alleles it is called
heterozygous / hybrid
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