QUESTION 21 Double fertilization involves 2 fertilizations, write the cells/nuclei involved with each, their ploidy level (ie. n, n+n, 2n, 3n). Fertilization 1: ,with a ploidy level of ,with a ploidy level of with a ploidy level of Fertilization 2: ,with a ploidy level of with a ploidy level of with a ploidy level of

QUESTION 21 Double fertilization involves 2 fertilizations, write the cells/nuclei involved with each, their ploidy level (ie. n, n+n, 2n, 3n). Fertilization 1: ,with a ploidy level of ,with a ploidy level of with a ploidy level of Fertilization 2: ,with a ploidy level of with a ploidy level of with a ploidy level of

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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QUESTION 3 In Drosophila, miniature wings (X) result from an X-linked allele that is recessive to the allele for long wings (X). Give the most likely genotypes of the parents in each of the following crosses: Male Parent Female Parent Cross #1 Cross #2 Long Miniature Genotype for male parent #1: Genotype for female parent #1: Genotype for male parent #2: Genotype for female parent #2: Long Long Male Offspring 231 Long 250 Miniature 420 long 417 Miniature Female Offspring 560 Long 0 Miniature 412 Long 415 Miniature Use Xm and X+ for the allele symbols in your answers as there is not a superscript option. Also, remember that males are hemizygous!
I Review Consider a diploid cell that contains three pairs of chromosomes designated AA, BB, and CC. Each pair includes a maternal and a paternal member Part A (e.g., Am and AP.) During meiosis I, assuming no crossing over, what chromatid combination(s) will be present at the completion of prophase 1? Select all that apply. - View Available Hint(s) Hint 1. How to approach the problem O Am Ap O Bp Bp O Am Am Cm Áp O Bm Bp O Ap Ap O Bm Cp O CP CP O Bm Bm Cm Cm O Cm Cp O Am Bp OO O O 0 0 O(
Rule of Segregation Only one gene of the two alleles that you have is put into each gamete that you make. Alleles are located on homologous chromosomes, and since homologous chromosomes are segregated during meiosis, the genes are also segregated. Numerous gametes are formed during gamete production, and if the alleles are different (heterozygous), 50% of the gametes will carry one gene and 50% of the gametes will carry the other. When alleles are the same (homozygous), 100% of the gametes will carry the same allele. 1. A parent possesses two copies of each gene. When this parent passes on its alleles for a gene, how many does it contribute to each of the offspring? 2. How many copies of a gene does the other parent contribute to each offspring? 3. How many copies of each gene for the trait does each offspring receive?
QUESTION 3 Nondisjunction is rare. Which of the following is FALSE? A. Nondisjunction is when chromosomes separate properly in meiosis. B. Nondisjunction is when homologous or daughter chromosomes stick together and move to the same pole. OC. Nondisjunction results in some eggs or sperm with too many chromosomes and some with too few chromosomes. D. In humans, eggs and sperm made from nondisjunction can have 22 or 24 chromosomes, instead of the normal 23.
8 and 9 no explanation needed
QUESTION 10 When considering two genes which are complementary such as AAbb x aaBB, what phenotypic ratio do you expect to be observed in F2 progeny? 15;1 9:7 1:1 9:3:4
QUESTION 6 In Drosophila, sepia eyes (se) and stubble bristles (sb) are recessive to the wildtype eyes and bristles (se* and sb+). A female heterozygous for both genes was test crossed to a male homozygous recessive for both genes. The progeny of this cross are given below: Phenotypes wildtype eyes and wildtype bristles (set, sbt) # of Progeny 334 widltype eyes and stubble bristles (set, sb) 162 sepia eyes and wildtype bristles (se, sb+) 158 sepia eyes and stubble bristles (se, sb) 346 What is the genetic distance (in map units) between these two genes? Are the alleles in the heterozygous female in the cis (coupling) or trans (repulsion) conformation? Are the two genes in this problem unlinked, completely linked or incompletely linked?
Question 2. Using different colors to distinguish chromosomes of maternal and paternal origin, draw a telocentric set of homologous chromosomes at: a. Prophase I after a single crossover between two of the non-sister chromatids. b. Anaphase I (make sure you include the results of the crossover described above). c. Anaphase II (draw all cells and make sure you include the crossover results).
Question 23 2 pts In your own words, please explain how the process of meiosis leads to siblings that are not clones of each other. Answer in two to five sentences. 12pt v Paragraph BIUA
Lab 11- Mitosis & Meiosis If provided microscope images of plant cells, can you determine if they are in Interphase and/or identify the particular Mitosis stage (Pro, Prometa, Meta, Ana, Telo)? If provided meiosis beads (like what we used in lab), can you look at how they are arranged and determine what meiosis stage is being represented (the stage name and if it's from Meiosis-l or Meiosis-II)?
Answer the following question about the provided photo
Question 6 of 10 Question 6. Which of the following is a difference between mitosis and meiosis? а. Mitosis occurs in all somatic cells; meiosis does not. b. ytokinesis occurs once in mitosis, but twice in meiosis. С. Mitosis produces diploid cells; meiosis produces haploid cells. d. All of these answers are correct.