Genes and Heredity Vocabulary Worksheet

the genetic material that carries the information about an organism and is passed from parent to offspring
a trait that is always expressed in the phenotype of an organism
the different forms of a gene, 2 exist for every gene
the passing of traits from parent to offspring
characteristics of an organism that are passed on to its offspring through genes
individual units of condensed DNA are called
a set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait
an organism's genetic makeup or possible allele combinations ( BB, Bb, or bb)
a trait that is expressed only when 2 homozygous ___________ alleles are present
the expression of an organism's physical appearance (brown eyes, blue eyes)
When an organism carries both a dominant and a recessive allele for a trait is called a
the study of heredity and how genes are passed on from traits parent to offspring