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Biology
Genetics test review / was absent
Term | Definition |
---|---|
Homozygous | Same , both capital or both lower case letters |
Heterozygous | Different , one capital one lower case letter |
Dominant | Capital letter , a trait that always shows up |
Recessive | Lower case letter , trait that doesn't always show up |
Mono hybrid | Has 1 trait , always in a 4 punnette square |
Dihybrid | Has 2 traits , in a larger punnette square |
Homozygous | Same , both capital or both lower case letters |
Heterozygous | Different , one capital one lower case letter |
Dominant | Capital letter , a trait that always shows up |
Recessive | Lower case letter , trait that doesn't always show up |
Mono hybrid | Has 1 trait , always in a 4 punnette square |
Dihybrid | Has 2 traits , in a larger punnette square |
Alleles | Different from a gene |
Genotype | Genes , genetics |
Phenotype | Physical appearance |
Co-dominant | More than 1 dominant |
Incomplete dominance | No dominant , no recessive , 2 different dominance |
Sex-linked | Involves sex chromosomes , XX female , XY male |
Tay Sachs | Rare autosomal recessive genetic disorder |
Color blindness | Absence of one of the primary cone pigments of the retina |
Albinism | Lack of pigmentation to the skin & hair of a person or animal or in coloration or a plant |
Huntington disease | Nerve cells in certain parts of brain waste away or degenerate |
Hemophilia | Blood clot is severely reduced , causing bleeding from a slight injury |
PKU | When a baby is born without the ability to properly break down amino acids called Phenylalanine |
Sickle cell anemia | Red blood cells take a sickle or crescent shape . |
Cystic fibrosis | Affects the exocrine glands . Causes production of abnormally thick & stick mucus to build up in the lungs , digestive tract & other areas of the body . One of most common lung diseases in children & young adults |