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11 Cards in this Set

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Any factor that can cause damage to a developing fetus during the prenatal period that could cause birth defects.
Teratogen
very powerful drug- anti-inflammatory; blood thinner; can cause internal bleeding
Aspirin
causes disorder where babies are nervous and addictive, slow learners
Alcohal
causes acne
Hormones
comes from getting x-rays and hospitals and from sun
Radiation
comes from dumping and fumes
Environmental pollution
childhood diseases that mother come in contact with that is dangerous to baby (German measles)
Maternal disease
Someone selects desired individuals to be the parents of the next generation.
Selective Breeding
This type of breeding has produced many of our crop plants, flowers, and animals.
Selective Breeding
Used to maintain desired characteristics
Breeders cross closely related organisms to produce purebred dogs, cats, cattle, horses, etc.
Ex: animal with pedigrees; these are the most often inbred to maintain the desired characteristics
In-breeding
Scientists take DNA from 1 organism and combine it with the DNA from another.
DNA is cut with a restriction enzyme. Each restriction enzyme is specific for a particular nucleotide sequence (usually a palindrome.)
Ex: the restriction enzyme, ECOR1, CUTES THIS SEQUENCE WHERE INDICATED BY TE BLUE LINE
The cut DNA is then combined with DNA from another species, cut with the same enzyme. The “sticky” and the new DNA molecule is inserted back into a cell.
This technique has been used to insert the genes for various human proteins into bacteria.
Recombinant DNA