BIOL 1406 Chapter 13 questions and answers

BIOL 1406 Chapter 13Asexual reproduction ____________ - correct answer Produces offspring genetically identical to the parent Which of the following defines a genome? - correct answer The complete set of an organism's genes and the the other DNA sequences Asexual reproduction occurs during ______________ - correct answer Mitosis Quaking aspen can send out underground stems for asexual reproduction. Sexual reproduction is not as common, but when it does happen, the haploid gametes have 19 chromosomes. How many chromosomes are in the cells of the underground stems? - correct answer 38 For what purpose(s) might a karyotype be prepared? - correct answer The first three answers are correct In alternation of generations, what is the diploid stage of a plant that follows fertilization called? - correct answer Sporophyte How are sister chromatids and homologous chromosomes different from each other? - correct answer Homologous chromosomes contain the same gene loci but may have different alleles of a particular gene. Sister chromatids are identical copies of each other produced during DNA replication Which of the following is a true statement about sexual vs. asexual reproduction? - correct answer In sexual reproduction, individuals transmit half of their nuclear genes to each of their offspring At which stage of mitosis are chromosomes usually photographed in the preparation of a karyotype? - correct answer Metaphase Which of the following is true of a species that has a chromosome number of 2n = 16? - correct answer Each diploid cell has eight homologous pairs