5. This is a pair of homologous chromosomes. The individual is homozygous for gene A and heterozygous for gene B. a. Give the appropriate letter for each position. Capitalization matters. 88 i. ii. iii. iv. b. Assuming NO crossing over, what are the possible genotypes of the iv gametes?

5. This is a pair of homologous chromosomes. The individual is homozygous for gene A and heterozygous for gene B. a. Give the appropriate letter for each position. Capitalization matters. 88 i. ii. iii. iv. b. Assuming NO crossing over, what are the possible genotypes of the iv gametes?

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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I do not how to answer question a from my biology packet. EXAMPLE 2: The parents in the family above produce another son, this time with two Y chromosomes and normal tooth enamel. In which parent did the nondisjunction occur? Explain and/or illustrate. Did nondisjunction occur at meiosis I or II? Explain and/or illustrate. What sex chromosomes are in the child’s somatic cells?
Autosomal homologous chromosomes a. are joined at the centromere b. are the same size but different shape c. have identical gene locations and alleles d. consist of a copy of a paternal and a maternal chromosome
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45) Crossing over or recombination occurs in _____________which allows for diversity, so that siblings do not look like identical twins. Group of answer choices Meiosis II Meiosis I 46) Which of the following is involved in blood clotting? Group of answer choices Erythrocytes White blood cells Platelets Neutrophils Red blood cells 47) The _________effect refers to the effect that H+ has on the affinity of Oxygen for the hemoglobin molecule. Group of answer choices Parasympathetic Bohr Haldane Sympathetic 48) Starling’s law says that viscosity of a liquid is directly proportional to the rate of flow. Group of answer choices False True
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Which of the following is/are (a) reason(s) why crossing over between two genes on the same chromosome may not result in genetic recombination? 1. No allelic variation between homologous pairs.2. Crossing over only occurs between sister chromatids.3. Non-random alignment of homologs during meiosis I. Group of answer choices
36 The diagram below represents a cell containing a pair of chromosomes at metaphase I of meiosis. The individual is a heterozygote for two tightly linked genes, gene A and gene B. a b A B If a crossing over event occurred between alleles A and B in the cell shown above, what are the genotypes of the two possible recombinant gametes? Select one alternative: O aA bB O AB аB Ab O AB ab
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7 I of A OY embryo or egg, where an egg is missing both X chromosomes and is fertilized by a normal sperm: O a. forms an inviable embryo O b. develops normally O c. forms a male with Klinefelter Syndrome O d. forms an individual with Turner Syndrome 2 37
7. Definitions and short answer Refer to the textbook, lecture slides, and the lab introduction to answer the following questions: A. What is meant by the term Haploid? Diploid? B. What is the difference between a gene and an allele? C. If the blue eye allele is recessive, can a blue-eyed person be homozygous? Explain.
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A turkey farmer is worried about a new disease that is found in his birds. If affects females more than males. Which of the following is(are) reason(s) that explain this finding? The disease is sex linked b The disease is autosomal recessive c The disease is located on the Z chromosome d A and C e B and C