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level: Level 1

Questions and Answers List

level questions: Level 1

Question	Answer
Genetic variation in a population (1%)	polymorphism
A colorized display of a replicated set of (human male) metaphase chromosomes	karyotype
Research showed that DNA (nucleic acid) is a carrier of genetic information in bacteria, not a protein	Avery, MacLeod, Maclyn, McCarty
Solid proof that DNA (not protein) is the genetic material by working with viruses	hershey and chase experiment
Double helix molecular model of DNA	watson and crick
enzymes, structure, transport, defense, hormones, cytoskeleton and cell mvt	Proteins act as
recessive mutation	A loss of function is
dominant	A gain of function is
Genes that are evolutionary related	homologous genes
Genes from different species that have ascended from a common ancestor	orthologs
homologous genes within the same species (ex: globin gene in humans)	paralogs
human genome project	when was the shotgun approach used?
a continuous DNA sequence reconstructed from overlapping DNA sequences that were derived by sequence analysis	what is a contig in high throughput sequencing aka shotgun approach
at the centromere	where is the C band?
q arm	which is the long arm of a chromosome?
paired homologs , chromomers (bands of condensed DNA) and puff regions (localized uncoiling)	polytene chromosomes
meiotic chromosomes (making egg and sperms) and chromomers	lampbrush chromosome
A-T rich regions (gene poor and heterochromatin)	what is a G band?
46	How many chromosomes do humans have
H2A, H2B, H3, H4	name all types of histones
allignement of the 8 histones	what are tetramers?
euchromatin (:	histone acetylation
heterochromatin ):	DNA methylation