punnet squares Flashcards
What does homozygous mean?
having two identical alleles of a particular gene trait
What does homozygous dominant mean?
an organism with two dominant alleles of a particular gene trait
What does homozygous recessive mean?
an organism with two recessive alleles of a particular gene trait
What does heterozygous mean?
Having two different alleles (one recessive and one dominant) of a particular gene trait
who made the punnet square?
Reginald Punnett
what is a recessive gene?
the gene that is hidden whenever a dominant allele is present
what is a phenotype?
an organisms physical appearance or the traits it has
What is a square used in genetics to calculate all of the possible outcomes for an offspring’s phenotype by crossing genotypes between two parents?
punnet square
