What two things units to carry the hereditary traits from parents?
Chromosomes from a sperm and an egg
100
What can the knowledge of genes help us do?
help us diagnose, treat, and perhaps even prevent genetic disorders?
100
A genetic disorder occurs when an individual is missing a what?
a functioning gene
100
where does genetic research often take place?
in a laboratory
200
What does most cells in the human body contain?
a nucleus
200
how many chromosomes does a sperm and egg cell have?
23
200
What is a mutation?
an abnormality in the chromosome
200
What is gene therapy?
the process of inserting normal genes into human cells to correct genetic disorders
200
Newborns can be checked for certain genetic disorders with the help of what?
very simple tests
300
Most of the cells in the human body contain ___ chromosomes that are arranged in __ pairs
46,23
300
as the zygote divides, how many cells does it produce?
trillions
300
What is Amniocentesis?
a procedure in which a syringe is inserted through a pregnant females abdominal wall to remove a sample of the amniotic fluid surrounding the developing baby
300
What is it called when you place parts of DNA from one organism into another is called what?
genetic engineering
300
What is the big idea?
certain traits, such as eye color, come from both of your parents
400
What are the basic units of heredity?
genes
400
What is the difference between dominant and recessive genes?
Dominant genes can be seen in offspring but recessive is not
(RR) (rr)
400
What is the 5 common human genetic disorders?
Sickle Cell anemia, Tay-Sachs disease, Cystic fibrosis, Down syndrome, hemophilia
400
What do genetic counselors do?
guide families of children with genetic disorders on treatment options
400
what is the main idea of genetic disorders?
genetic disorders are caused by defects in genes
500
What is a deoxyribonucleic?
A DNA chromosome
500
What is the shorter chromosome in males?
Y chromosome
500
Is it possible to test a child for genetic disorders after birth?
YESSSSSSSSSSSSSS
500
through ______ _________ some vaccines can prevent diseases have been produced.