15, 16, 17
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Created by:
mirandaailport on January 23, 2011
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38 terms
Terms | Definitions |
|---|---|
 Average Appearance | Wild Type |
| mutation of a wild type gene | Mutant Types |
| a gene that is carried on the X or Y chromosome. | Sex-linked Genes |
| Genes with loci on the same chromosome and they don't sort independently | Linked Genes |
| offspring with a phenotype that matches one of the parental phenotypes | Parental Types |
| offspring with phenotypes different from either parent | Recombinants |
| an ordered list of the genetic loci along a particular chromosome | Genetic Map |
| genetic map that shows the location of genes on a chromosome | Linkage Map |
| caused by a sex-linked recessive allele; characterized by progressive weakening and a loss of muscle tissue. | Duchenne Muscular Dystrophy |
| Inactivated X chromosome | Barr Body |
| error in meiosis in which homologous chromosomes fail to separate | Nondisjunction |
| a cell that has only one copy of a particular chromosome | Monosomic |
| condition in which an organism has extra sets of chromosomes | Polyploidy |
| part of the chromosome is repeated | Duplication |
| change to a chromosome in which a fragment of the original chromosome is reversed | Inversion |
| The process in which infection by a virus results in DNA being transferred from one bacterium to another | Transduction |
| A disease resulting from having an extra chromosome 21, characterized by mental retardation and heart and respiratory defects. | Down Syndrome |
| variation in phenotype depends on whether an allele is inherited from the male or female parent | Genomic Imprinting |
| A genetic disorder involving an abnormality in the X chromosome, which becomes constricted and often breaks. | Fragile X Syndrome |
| sex-linked recessive disorder defined by the absence of one or more proteins required for blood clotting | Hemophilia |
| viruses that infect bacteria | bacteriophage |
| two strands of DNA | double helix |
| the spot where DNA replication starts | origin of replication |
| y shaped region where the DNA starts to enlongate | Replication Fork |
| Adds complementry nucleotides to the leading strand | DNA polymerase |
| going towards the replication fork and in 5' direction | Leading Strand |
| an enlogment strand away from the replication fork, going towards 3' | Lagging Strand |
| Segments of the lagging strand | Okazaki fragments |
| Joins the okazaki fragments forming a new DNA strand | DNA ligase |
| an enzyme that can start a new RNA chain and joins RNA nucleotoids together | Primase |
| Unwinds and opens DNA molecules | Helicase |
| a segment of damaged dna is cut out by a nuclease and the gap is the filled with nucleotids | Excision Repair |
| catalyzes the lengthening of telomeres in eukaryotes germ cell | Telomerase |
| Repeated DNA sequences at the ends of eukaryotic chromosomes | Telomeres |
| The resulting chromosome from one abnormal chromosome and on normal gamete replicating | aneuploidy |
| If a chomosome is present in triplicate | Triosomic |
| Fragment missing a centromere is deleted | Deletion |
| Moves a segment from one chromosome to a nonhomoglous one | Translocation |
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