an individual heterozygous that is for a specific trait.
Graphic Representation of genetic inheritance used by genetics to map genetic traits.
Recessive Genetic Disorder
A recessive trait is expressed when the individual is homozygous recessice for the trait.
The gene that codes for a membrane protein in defective
Genes do not produce normal amounts of the pigment melanin
Absence of the genes that codes for the enzyme that breaks down galactose.
Absence of a necessary enzyme that breaks down fatty substances
1. Huntingtons's Disease 2. Achondroplasia
Name some Dominant Genetic Disorders
A gene affecting neurological function is defective
A gene that affects bone growth that is abnormal
What is it knowing physical traits that can determine what genes an individual is most likely to have
Record keeping that helps scientists use pedigree analysis to study inheritance patterns, determine phenotypes, and ascertain genotypes.
Inheritance pattern where the phenotype of a heterozygote is intermediate between those of the two homozygote's
The phenotypes of both homozygote's to be produced in heterozygous individuals
Presence of more than two alleles for a genetic trait
Two chromosomes that determine the sex of an individual
22 pairs of homologous chromosomes
Sex linked trait
Traits controlled by genes located on sex chromosomes
The inheritance pattern of a trait that is controlled by two or more genes
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