Test Review - Genetics: The Science of Heredity (Chapter 3) Vocabulary
Terms in this set (20)
The passing of traits from parents to offspring.
A characteristic that an organism can pass on to its offspring through its genes.
The scientific study of heredity.
The process in which an egg cell and sperm cell join together to form a new organism.
The offspring of many generations that have the same traits.
The set of information that controls a trait, a segment of DNA on one chromosome.
The different forms of a gene.
A allele whose trait always shows up in the organism's when the allele is present.
A allele that is masked when a dominant allele is present.
A organism that has two different alleles for a trait.
A number the describes how likely it is that an event will occur.
A chart the shows all of the possible combinations of alleles that can result from a genetic cross.
An organism's physical appearance, or visible traits.
An organism's genetic makeup, or allele combinations.
Having two identical alleles for a trait.
Having two different alleles for a trait.
A condition of which neither of two alleles of a gene is dominant or recessive.
The process by which the number of chromosomes is reduced by half to form sex cells - sperm and eggs.
RNA that copies the coded message from DNA in the nucleus and carries the message into the cytoplasm.
RNA in the cytoplasm that carries an amino acid to the ribosome and adds it to the growing protein chain.
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