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act of distributing into gruops of a like kind

separation of alleles for a character that occurs during meiosis

likelihood that a specific event will occur; can be expressed in words, decimals, fractions, and percentages

family history showing how a trait is inherited over several generations

trait that is determined by a gene found on one of the sex chromosomes, or such as the x chromosome in humans

individual who is affected with partial or total inability to distinguish one or more chromatic colors; usually a sex-linked trait

a sex-linked hereditary blood defect characterized by delayed clotting the blood and difficulty in controlling bleeding even after minor injuries

an x-linked inherited disorder characterized by moderate to severe mental retardation, a long face, and large ears, and large testes in males

any group of hereditary diseases characterized by progressive wasting of muscles

pertaining/belonging to a chromosome that is not a sex chromosome

a defect of melanin production that results in little or no color/pigment in the skin, hair, and eyes

an inherited disease that cause thick, sticky mucus to build up in the lungs and digestive tract

autosomal recessive disorder causing a relentless deterioration of physical and mental abilities

genetic disorder where an individual lacks the enzyme to break down the amino acid phenylalanine

inherited degenerative disorder of the central nervous system caused by  dominant gene

genetic condition where an individuals' arms and legs are short in comparison to their head and trunk

condition that causes tumors to grow on nerve tissue, producing skin and bone abnormalities

characteristic of an organism that is determined by many genes

type of inheritance in which a trait in a heterozygous individual is intermediate between the phenotype of the two parents because the dominant allele is unable to express itself fully

when there exists more than one allele or gene coding for one specific trait

the situation in which a heterozygote shows the phenotypic effects of both alleles equally