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16 terms

Second Genetics Voc. List

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Allele
one form of a gene for a genetic trait. An example would be blue eyes or brown eyes.
Co-dominance
being one of two or more species that are equally dominant in a biotic community.
Rh negative
Some people don't have protein( Any of a type of specific antigen which is any substance that can stimulate the production of antibodies that fight disease)present on the surface of red blood cells, persons not having inherited such antigens are designated Rh negative (Rh-).
Rh positive
Any of a type of specific antigen( any substance that can stimulate the present on the surface of red blood cells, persons having inherited such antigens being designated Rh+(Rh positive). The fetus can inherit the Rh factor. Most people have this protein and are called Rh positive (Rh+).production of antibodies)
DNA
a long twisted molecule that contains genetic codes made of 4 base pairs: A,T,C and G
Dominance
an allele that blocks another allele. It is the stronger allele which is always capitalized.
Recessive
An allele that id blocked by another allele. It is the weaker allele always a lower case letter.
Type A/B/O
Everyone is born with a different blood type, and what determine blood type are antigens present in the Red Blood cells in your body. These Antigens or in simple term markers tell the body that this is a cell from this body so they don't destroy it. Your blood types A/B/O, have a special antigen/marker which are different from other blood type, so this means you can only accept and give blood to people who have the same blood type that way the body won't take the cells as an invasion and attack it.
Heterozygous
The genotype made of two alleles that have different information about a trait...Ab
Homozygous
The genotype made of two alleles that have the same information about a trait...AA
Type O
A universal blood type ...this can be transferred to most blood types.
Carrier
a person that is heterogeneous for a genetic condition / a person or animal that, without having any symptoms of a disease, is capable of transmitting it to others
Pedigree
A chart that traces an inherited trait in a family over multiple generations.
DNA fingerprinting
each person has unique information encoded on long molecules of DNA which can identify the person
Mitosis
a process of cell division resulting in a new specific kind of cell
Meiosis
a process of cell division resulting in a new organism half of the chromosomes come form mother and the other half from father