Molecular Basis of Inheritance Questions and Answers

Which action increases the rate of transcription in eukaryotic cells after RNA polymerase binds to DNA OA Transcription factors bind to the TATA box OB The ribosome is activated C The repressor protein is deactivated J D Transcription factors bind to enhancers

Describe the genotype of these d

ard My courses SC BIOL 100 3 Translocation during

estion 4 The charging of

My courses SC BIOL1000 N Biolog

What is human DNA used for Why does DIA

Diet and nutrition are not a potential source of epigenetic modulation O False O True

An organism s A product An encompasses all of its genetic information is a specific sequence of DNA that codes for a particular trait protein or RNA is an alternate form of a gene A specific combination of alleles is an organism s those alleles is the organism s An organism s genes are arranged on for that trait while the physical expression of which occur in homologous pairs A cell with two of each chromosome one from the mother and one from the father A cell with only one chromosome of each homologous pair is called is called

Which statement best describes what it means when a gene is expressed A The gene that codes for the production of a protein is turned on B The gene is expelled from the cell when it is no longer needed C The gene produces all traits and functions within the cell D The gene is duplicated so it can be passed on to future cells

7 C elegans has six pairs of chromosomes Mutants in the gene him 5 in C elegans affect some process in pairing and synapsis prophase I but precisely what process is affected is not clear Different oocytes from a him 5 mutant hermaphrodite can have different karyotypes How can the following karyotypes at the end of prophase I be explained a Six bivalents and no univalents b Twelve univalent and no bivalents c Five bivalents and two univalent d Three hivalents and six univalents

Listen Alu is found in coding regions of DNA True O False

Which of the following sequences is an anticodon N 5 T Source courses lumenlearning com E O ACG G O UCG AAAUCO AUC GGGUUUACG E F D A B C

on 4 e Okazaki fragments formed in DNA replication use the RNA polymerase can only copy from the 3 to the 5 e use access to the leading strand occurs from 3 to 5 end use access to the lagging strand occurs from 3 to 5 end

Black fur in mice B is dominant to brown fur b Short tails 5 are dominant to long tails s What fraction of the progeny of crosses BBSs x BBss will be expected to have black fur and short tails 09 16 1 2 O 1 16 3 8

18 The researcher s who used radioactively tagged proteins and DNA in viruses to confirm that DNA was the genetic material was were a Crick and Watson b Hershey and Chase c Jim Thompson d Avery MacLeod and McCarty e Griffith 19 Assume that a short segment of DNA contains the nucleotide sequence T T GA A CA on one strand of the double helix How many hydrogen bonds will connect these seven nucleotides to implementary bases on the other strand a 14 b 21 c 20 d 16 e none of the above

4 a True b False The ratio C G A T will be the same for all eukaryotic organisms Please be sure to read the question carefully cold drie LRE