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Punnet Squares/Genes

QuestionAnswer
What does homozygous mean? A genotype with two of the same alleles
What does heterozygous mean? A genotype with two different alleles
What would happen if someone with HOMOZYGOUS DOMINANT genes crossed someone with HOMOZYGOUS RECESSIVE? (Would the offspring have dominant or recessive genes?) Dominant
Name the percentage for each genotype for the offspring of these parents: PP x pp 100% Pp
Name the percentage for each genotype for the offspring of these parents: Pp x Pp 25% pp/ 25% PP/ 50% Pp
Are the alleles (PP) homozygous or heterozygous? Homozygous
Are the alleles (Pp) homozygous or heterozygous? Heterozygous
Are the alleles (pp) homozygous or heterozygous? Homozygous
If blue eyes are a dominant gene and black eyes are a recessive gene, what is the chance (percentage) of having an offspring with black eyes if the parents have the alleles Pp x Pp? 75% chance
Who was the "father of genetics?" Gregor Mendel
What plant did the "father of genetics" use to conduct his studies? Pea Plants
What is a genotype? The gene in a person, and the alleles used for that specific gene. (i.e. Bb is a genotype)
What is a phenotype? The trait that is decided by the genotype. (i.e. Blonde hair is a phenotype)
What is the difference between a phenotype and a genotype? A genotype is the genes. They decide the phenotype, which is the actual trait.
What are alleles? Letters used to represent a gene.
Dominant genes are represented by ___________ letters. Capital
Recessive genes are represented by ______________ letters. Lowercase
Another word for heterozygous is... ? hybrid
Another word for homozygous is... ? purebred
Name a homozygous genotype. (any 2 capital letters) AA, BB, CC, DD...