An organism's physical characteristics are called _____.
The passing of traits from parents to offspring is called _____.
Mendel is known as the Father of ____, the study of heredity.
A ____ plant is one that always produces offspring with the same form of a trait as the parent.
Different forms of genes are called ____.
Factors that control traits are called ____.
An organism's ___ is its genetic make-up or allele combinations.
an organism that has two identical alleles for a trait is said to be ____.
An organism that has two different alleles for a trait is said to be ___.
In ____, the alleles are neither dominant nor recessive, and both alleles are expressed in the offspring.
A _____ allele is one whose trait always shows up in the organism when the allele is present.
A _____ allele is masked, or covered up , whenever the dominant allele is present.
____ means to have a dominant and a recessive allele in its genotype.
____ is the likelihood that a particular event will occur.
A ____ is a chart that shows all the possible combinations of alleles that can result from a genetic cross.
An organism's ___ is its physical appearance, or its visible traits.
____ is the process by which the number of chromosomes is reduced by half to form sex cells.
_____ copies the coded message from the DNA in the nucleus , and carries the message in the cytoplasm.
____ carries amino acids and adds them to the growing protein.
Any change that occurs in a gene or chromosome is called a ____.