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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 |