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Genetics Unit Vocab Live Version
Terms in this set (23)
Genetic material made up of nitrogen bases and a sugar-phosphate backbone; found on chromosomes in the nucleus of a cell
One gene in a gene pair; represents the different tratis; useful in matching DNA evidence
The actual gene letters for a trait, such as XY or XX.
The physical appearance of a trait; such as brown hair or blue eyes.
Trait that is expressed (seen) when two different genes are present, such as B in Bb.
Trait that is "hidden" when two different genes are present, such as b in Bb.
Humans have a total of 46 of these; found in the nucleus and contains genetic information
A change in the nucleotide-base sequence of a gene or DNA molecule
A chart that shows all the possible combinations of alleles that can result from a genetic cross
An organism that has two DIFFERENT alleles for a trait, such as Hh or Yy; also called a hybrid
An organism that has two of the SAME alleles for a trait, such as HH or hh; also called a purebred
Represents the gene pair for a human female
Represents the gene pair for a human male
A genetically determined characteristic, such as dark hair or attached earlobes
Father of genetics
Type of plants used by the Father of Genetics to study heredity
Two of the same alleles for a trait; also called homozygous
Two different alleles for a trait; also called heterozygous
The type of letter used to represent dominant traits
The type of letter that denotes a recessive trait.
Delivery critter for Easter eggs
Oval-shaped objects provided by birds
Product of reproduction, a new organism produced by one or more parents
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