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chapter 4 test
| Question | Answer |
|---|---|
| what chromosome does a female have? | xx |
| what chromosome does a male have | xy |
| what makes males more common to have sex link traits | x chromosomes |
| mutation or change in a persons DNA | genetic disorder |
| when a persons blood clots very slow. in a ressesive allele | hemophilia |
| when chromosomes fail to seperate properly during mieosis | down syndrome |
| affects the blood and production of an important protein called hemoglobin | sickle cell |
| important protein in blood | hemoglobin |
| when the body produces abnornal thick mucus. ressesive allele | cystic fibrosis |
| gradual break down of cells and the brain. domonaint allele | huntingtons disease |
| selecting a few organisms with desired traits. | selective breeding |
| what are the two types of selective breeding? | inbreeding and hybridization |
| crossing two individuals that have identical or simular sets of alleles | inbreeding |
| breeders cross two genetically different individuals | hybridization |
| an organism that is genetically identical to the organism it was produced | cloning |
| genes from one organism are transfered into the DNA of another organism | genetic engineering |
| what kind of people have the same DNA | identical twins |
| identify the DNA sequence of every gene in the human chromosome | human genome |
| a person who has a recessive allele, but does not show the trait is known as a | carrier |
| a person has an extra _________ chromosomes | 21st |
| what do police use to help them solve crimes | DNA fingerprints |
| what is the ressecive blood type | o |
| what are the two domonaint blood types | a and b |
| how many different forms of type a blood are there | three |