Share Medical Interventions Unit 2 Vocabulary
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What is a gene?
A discrete unit of hereditary information consisting of a specific nucleotide sequence of DNA.
Describe the genetic counseling.
A process of communication that deals with the occurrence or risk that a genetic disorder will occur in a family.
What is a genome?
The complement of an organism's genes; an organisms genetic material.
What is genetic testing?
The use of methods to determine if someone as a genetic disorder, will develop one, or is a carrier.
What is a karyotype?
A display of the chromosome pairs of a cell arranged by size and shape.
What is a gene?
A discrete unit of heredity information consisting of a specific nucleotide sequence of DNA.
What is a polymerase chain reaction (PCR)?
A technique that involves copying short pieces of DNA and then making millions of copies in a short period of time.
What is a genotype?
The genetic makeup of an organism.
What is a phenotype?
The physical and physiological traits of an organism.
What is a single-nucleotide polymorphism? (SNP, pronounced "snips")
One base-pair variation in the genome sequence.
What is a a restriction enzyme?
A degradative enzyme that recognizes specific nucleotides sequences and cuts up DNA.
What is a primer (used in PCR)?
A short piece of DNA or RNA that is complementary to a section of template strand and acts as an attachment and starting point during DNA replication.
What is Haell?
A restriction enzyme that creates a blunt cut as it cuts DNA into fragments. Cuts between gg and cc.
What is a sticky end?
Restriction enzyme that cuts DNA unevenly, leaving a jagged edge.
Explain a screening test.
How likely it is that a child may have a particular condition or disorder.
Explain a diagnostic test.
Provides a more definitive answer as to whether or not a child will be born with a particular disorder or condition, direct examination of fetal cells.
