How come a person can only carry two alleles?
Because chromosomes fit in pairs
How many pairs of chromosomes in a sex cell?
What do sex cells carry?
Genes that determine other traits
What do all eggs carry?
One X chromosome
What happens when the egg is fertilized?
The egg will have one chromosome from male and one from female
Sex linked genes
A gene that is carried on the X or Y chromosome
A trait controlled by a recessive allele on the X chromosome, sex linked trait
What are the two way characteristics are determined.
Genes and organisms surroundings
An abnormal condition that a person inherits through genes or chromosomes
A genetic disorder in which the lungs and pancreas are clogged with large quantities of abnormally thick mucus
An abnormal red blood cell that has a crescent shape and an abnormal form of hemoglobin
Sex-linked recessive disorder defined by the absence of one or more proteins required for blood clotting
Pictures of all the chromosomes of a cell
Helps a couple understand their chances of having a child with certain traits
Develops organisms with a desired trait
Producing an offspring with exactly the same genes as an organism
Transferring genes from one organism
Human genome project
Trying to identify DNA sequence of every gene in the human genome
DNA finger printing
Can identify people and show if they are related