Recombinant DNA Technology When populations are small, gene frequencies can change from generation to generation and some alleles may become fixed in a population. This is called __________ . assortative mating heterosis inbreeding genetic drift assortative mating heterosis inbreeding genetic drift ANSWER DOWNLOAD EXAMIANS APP
Recombinant DNA Technology Which of the following can be diagnosed by amniocentesis? Sickle cell anemia Cystic Fibrosis Down's syndrome All of these Sickle cell anemia Cystic Fibrosis Down's syndrome All of these ANSWER DOWNLOAD EXAMIANS APP
Recombinant DNA Technology Which of the following is correct in terms of determination of location of genetic traits? Restriction sites allow DNAs to be digested Known protein coding sequences are too far apart to allow linkage determination for most new genes Protein-coding genes are always associated with a restriction pattern None of these Restriction sites allow DNAs to be digested Known protein coding sequences are too far apart to allow linkage determination for most new genes Protein-coding genes are always associated with a restriction pattern None of these ANSWER DOWNLOAD EXAMIANS APP
Recombinant DNA Technology In order to insert a foreign gene into a plasmid, both must __________ have identical DNA sequences originate from the same type of cell be of the same length be cut by the same restriction enzyme have identical DNA sequences originate from the same type of cell be of the same length be cut by the same restriction enzyme ANSWER DOWNLOAD EXAMIANS APP
Recombinant DNA Technology In gel electrophoresis, DNA molecules migrate from __________ to __________ ends of the gel. long ... short positive to negative negative ... positive basic ... acidic long ... short positive to negative negative ... positive basic ... acidic ANSWER DOWNLOAD EXAMIANS APP
Recombinant DNA Technology Knockout mice are created by creating a chimera by fusing cells from two different cell lines mutagenizing a mouse and selecting for mutant offspring transfecting embryonic stem cells with an altered gene sequence infecting the mouse with a retrovirus creating a chimera by fusing cells from two different cell lines mutagenizing a mouse and selecting for mutant offspring transfecting embryonic stem cells with an altered gene sequence infecting the mouse with a retrovirus ANSWER DOWNLOAD EXAMIANS APP