trait that is determined by genes located on thesex chromosomes.
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recessive lethal trait
trait that, when both recessive alleles are present, results in death or severe malformation of the offspring. Usually, recessive traits occur more frequently in males.
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Barr body
a small dark spot of chromatin located in the nucleus of a female mammalian cell.
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locus
or loci is a specific location along a chromosome where a particular gene is found.
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Marker gene
used to follow the inheritance of a linked trait. Give rise to an easily identifiable phenotype and used to trace inheritance that are difficult to identify.
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bacteriophage
a virus that infects bacteria.
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nucleotide
a molecule having a five carbon sugar with a nitrogenous base attached to its 1' carbon and a phosphate group attached to its 5' carbon.
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deoxyribose sugar
a sugar molecule containing five carbons that has lost the -OH on its 2' position.
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Rosalind Franklin
used X-ray diffraction technique to view DNA molecule.
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Watson and Crick
deduced the structure of DNA using info from work of Chargaff, Rosalind, and Maurice Williams.
Studied by 2 people
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Flashcard (116)