2 points: Easy Chromosomes • Which stage of the cell cycle are these cells in? Be sure to hide the answer. • Answer: Interphase 2 points: Easy - Chromosomes • What are the two • Chromatids halves of a chromosome called? 2 points: Easy - Chromosomes • By definition, which cells have ½ the total number of chromosomes? • Haploid 2 points: Easy - Chromosomes • Which stage of the cell cycle is this cell in? Be sure to hide the answer. • Answer: Metaphase 2 points: Easy - Chromosomes • What is created during the S stage of Interphase? • DNA (chromatin) 2 points: Easy - Chromosomes • What is the human diploid chromosome number? • 46 2 points: Easy - Chromosomes • Which cellular • Meiosis process produces 4 haploid cells? 2 points: Easy Chromosomes • Which stage of the cell cycle is this cell in? Be sure to hide the answer. • Answer: Prophase 2 points: Easy - Chromosomes • Which objects attach and pull chromosomes during mitosis and meiosis? • Spindle fibers 2 points: Easy - Chromosomes • Does this karyotype show a boy or girl? Be sure to hide the answer. • Answer: Girl 2 points: Easy Chromosomes • Which stage of the cell cycle is this cell in? Be sure to hide the answer. • Answer: Telophase 2 points: Easy - Chromosomes • What is the human haploid chromosome number? • 23 2 points: Easy - Chromosomes • What is the loose, • Chromatin stringy form of DNA called? 2 points: Easy - Chromosomes • Which cellular process creates somatic cells? • Mitosis 2 points: Easy - Chromosomes • Which stage of the cell cycle is this cell in? Be sure to hide the answer. • Answer: Anaphase 2 points: Easy - Chromosomes • What is this picture called? Be sure to hide the answer. • Answer: Karyotype 2 points: Easy - Chromosomes • Sex cells, such • Gametes as the egg and sperm, are called _________. 2 points: Easy - Chromosomes • Body cells, or • Somatic non-sex cells, are called _________ cells. 3 points: Medium - Chromosomes • If there are 20 • 40 pairs of chromosomes in a fish, how many chromosomes do skin cells contain? 3 points: Medium - Chromosomes • Name the two separate halves of the meiosis process. • Meiosis I and Meiosis II 3 points: Medium - Chromosomes • After meiosis is finished, which process completes the creation of sperm cells? • Spermatogenesis 3 points: Medium Chromosomes • Is this a diploid or haploid karyotype? Be sure to hide the answer. • Answer: Haploid 3 points: Medium - Chromosomes • In order, name the stages of mitosis. • Prophase, Metaphase, Anaphase, Telophase (Interphase is not a stage of mitosis) 3 points: Medium - Chromosomes • Which objects create the zygote? • Egg and sperm 3 points: Medium - Chromosomes • A cell plate forms • Plant cells during cytokinesis in which type of cells? 3 points: Medium - Chromosomes • If there are 40 pairs of chicken chromosomes, what is the haploid chromosome number? • 40 40 pairs means a total of 80 chromosomes. Haploid is when there are ½ the total number. 3 points: Medium - Chromosomes • Two part question: 1) In males, where does spermatogenesis take place? 2) In females, where does oogenesis take place? Part 1: Testicles or testes Part 2: Ovaries 3 points: Medium - Chromosomes • Which cellular • Mitosis process replaces aging cells? 3 points: Medium - Chromosomes • Name the medical • Ultrasound procedure where a camera is rubbed across the belly of a pregnant woman to help create a picture of the baby inside. 3 points: Medium - Chromosomes • Put the pictures in the order from start to finish. Be sure to hide the answer. Answer = E, D, A, C, B 3 points: Medium - Chromosomes • Name the location of a chromosome where two chromatids are connected. • Centromere 3 points: Medium - Chromosomes • During which stage of the cell cycle do chromosomes first appear? • Prophase 3 points: Medium - Chromosomes • A girl is born with normal chromosomes except for three chromosome #7’s. What notation would describe her problem? 47, XX, +7 3 points: Medium - Chromosomes • A human cell contains 46 strands of DNA at the start of interphase. How many will it contain at the start of prophase? • 92 (DNA is duplicated/doubl ed during the S stage of interphase) 3 points: Medium - Chromosomes What do the following prefixes mean? A) Spermato as in spermatogenesis? B) Tetra as in tetrad? C) Cyto as in cytokinesis? A) Sperm B) Four C) Cell 3 points: Medium - Chromosomes • In order, name the three stages of Interphase. • G1, S, G2 or • Gap 1, Synthesis, Gap2 4 points: Hard - Chromosomes • Which process is taking place in this picture? Be sure to hide the answer. • Answer: Crossing over 4 points: Hard - Chromosomes • Name the • Amniocentesis medical procedure where a needle is used to suck out fluid from a pregnant woman so that cells of a baby can be examined. 4 points: Hard - Chromosomes • What are the two • Homologous same copies of a chromosome called? 4 points: Hard - Chromosomes • Name 3 things that are happening in this picture. Be sure to hide the answer. • Answers 1) Cytokinesis (cytoplasm divides) 2) Nucleus reforms 3) Chromatids unwind into chromatin 4 points: Hard - Chromosomes • Name 3 specific cells created by meiosis. • Sperm, egg, pollen 4 points: Hard - Chromosomes • Name 3 things that are happening in this picture. Be sure to hide the answer. • Answers 1) Nucleus dissolves 2) Chromosome forms 3) Spindle fibers created 4 points: Hard - Chromosomes • What is created • Tetrad during prophase 1 of meiosis when both chromosome #1’s pair with each other? 4 points: Hard - Chromosomes • During meiosis, which event is defined as the exchanging of genes? • Crossing over 4 points: Hard - Chromosomes • By definition, what divides during cytokinesis? • Cytoplasm 4 points: Hard - Chromosomes • A woman born with Turner’s syndrome has a single X chromosome. All other chromosomes are normal. What is the notation for Turner’s syndrome? 45, X, -23 or 45, X0, -23 4 points: Hard - Chromosomes • During • Polar bodies oogenesis, 1 cell matures and becomes the egg, but 3 other cells die. Name the 3 cells that die. 4 points: Hard - Chromosomes • Homologous chromosomes form tetrads during which event of prophase 1? • Synapsis 4 points: Hard - Chromosomes • After meiosis is finished, which process completes the creation of egg cells? • Oogenesis 4 points: Hard - Chromosomes • Name 3 things that are happening in this picture. Be sure to hide the answer. • Answers 1) Cell enlarges (grows) 2) Organelles created 3) DNA copied 4) Normal function performed 4 points: Hard - Chromosomes • During which • Metaphase I stage of meiosis are tetrads pulled (must say “one”) to the cell’s equator? 4 points: Hard - Chromosomes • Name the diploid • Germ cells cells that will undergo meiosis (Spermatogonium, Oocyte) to eventually become sperm and egg cells 4 points: Hard - Chromosomes • Every ___a____ a)Chromosome is made from two chromatids, while every chromatid is made from a b)Chromatin loose strand of ___b___. 4 points: Hard - Chromosomes The answers to this part question is either mitosis or meiosis: 1) Which process makes somatic cells? 2) Makes gametes? 3) Haploid cells? 4) Ova? 1) Mitosis 2) Meiosis 3) Meiosis 4) Meiosis