The genetic material of prokaryotes is what Unit 3 clicker questions o Circular DNA How many centromeres are there per chromosome How many centromeres per chromosome consisting of 2 sister chromatids In mitosis when do homologous chromosome pairs separate In meiosis when do homologous chromosomes separate At G2 the amount of DNA is X At Telophase 2 the amount of DNA in each At G1 the amount of DNA is X At Telophase 2 the amount of DNA in each At G2 there are 40 chromatids What is the diploid 2n chromosome o 1 o 1 What does a centriole resemble o The base of a flagellum o It does not happen o Anaphase 1 daughter cells is what o 25X daughter cell is what o 5X number o 20 DNA is replicated when o S phase many chromosomes At G2 there are 40 chromatids At Telophase 2 each daughter cell has how At G2 there are 40 centromeres At Telophase 2 each daughter cell has how many chromosomes What is the alternative form of a gene How many different alleles can a diploid individual have at a single gene locus if there are 4 alleles in the population Recessive alleles are not expressed because they code for an inactive or defective enzyme True or false o 10 o 20 o Allele o Two o True When do homologous chromosomes separate When does Mendelian segregation occur o Anaphase 1 o Anaphase 1 Homozygote o AA and aa Genotype o PP or Pp The determines the o Genotype phenotype In across between heterozygous purple flowered peas what percent of the offspring will be homozygous In a test cross what is the phenotype of the unknown individual Can a man of blood type A be excluded as the father of a type O child Can a man of blood type AB be excluded as the father of a type O child Can a man of blood type O be excluded as the father of a type AB child o 50 o Dominant o No o Yes o Yes Why is the sickle allele maintained in populations particularly in Africa and the Mediterranean Sea area o Heterozygotes are immune to malaria What is the mode of inheritance o Autosomal Dominant For an autosomal recessive trait if two affected individuals have children all of their children will have the trait true or false In mitosis it does not matter if you have unpaired chromosomes How many Barr bodies are there in the nucleus of a Turner s female cell Turner s female XO 45 o Aneuploidy What do males inherit from their mothers o X chromosome and Mitochondria How many Barr bodies in the preceding Klinefelter male cells XXXXY A Klinefelter male XXX 47 is an example of what o Aneuploidy An XXX female has how many Barr bodies DNA replication is what o Semi conservative Human DNA does not incorporate AZT Why o Human DNA polymerase has a proof reading ability The double helix is antiparallel This refers to the directionality of the two strands True or false o True o True o True o 0 o 4 o 2 What stabilizes the base pairing between strands o Hydrogen bonds A pairs with what base DNA polymerase works 5 to 3 o Adds to the 3 hydroxyl o T o 16 The anticodon base pairs to the mRNA o Anti parallel A codon of 2 bases could code for how many amino acids New monomers are added to the free 5 phosphate in the growing DNA chain Both the leading and lagging strands are synthesized 5 to 3 True or false The central dogma has no exceptions Stitches together Okazaki fragments The enzyme that inserts the RNA primer in DNA synthesis True or false o False o True o False o Ligase o Primase o 3 UACG5 o DNA is transcribed into mRNA which is translated into proteins Transfers the genetic message from the nucleus to the cytoplasm DNA template 5 ATGC3 RNA made The anticodon base pairs to the mRNA o Anti parallel The central dogma o Messenger RNA In contrast to DNA RNA has a what o 2 OH group RNA base not found in DNA o Uracil Features of tRNA amino acid o MET tRNA o Exon o True tRNA o Anti codon amnio acid binding site and at least one tRNA for each What is the first tRNA to come onto the ribosome for polypeptide synthesis Expressed part of the pre mRNA Expressed part means the sequence that is translated into protein true or false o Adapter molecule recognizing an amino acid and a codon The anticodon and codon base pair o Anti parallel Introns are removed from prokaryotic mRNA o False What is a mutation o Change in DNA
View Full Document
Unlocking...