Chapter 11 The Beginning of Life and Childhood Flashcards
Genetics
The science that accounts for natural differences and resemblances among organisms related by descent
heredity
the process by which organisms pass genetic traits on to their offspring
DNA
The combination of proteins, called nucleotides, that arranged to make up an organism’s chromosomes
Human Genome Project
- funded by the US government and was started in 1990 to analyze the human body
- mapping of all the genes within the 23 pairs of human chromosomes
- the project finished early.
Types of Genetic testing
- predictive
- carrier
- prenatal
- preimplantation
- forensics
Predictive testing
a test used to see if genes are present that could lead to hereditary disease or other harmful genetic conditions.
Prenatal testing
a test used to see, through a process called amniocentesis, if harmful genes are present in the fetus
chromosome
a microscopic structure found within the nucleus of all living cells that carries genes responsible for the organism’s characteristics
gene
a tiny segment of DNA found on a chromosome within a cell’s nucleus. It holds the formula for making a specific enzyme or protein.
genome
all the DNA in an organism, including its genes.
Forensic testing
a test used in law enforcement to eliminate or designate suspects in a crime, identify homicide victims, or to otherwise analyses DNA samples for law enforcement purposes
Mutations
a permanent change in the DNA
amniocentesis
a test where by the fluid is tested for genetic or other conditions that may lead to abnormal development of the fetus.
genetic counselor
an expert in human genetics who is qualified to counsel individuals who may have inherited genes for certain diseases or conditions.
genetic discrimination
differential treatment of individuals based on their actual or presumed genetic differences