
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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1. What are the four types of changes in chromosomal structure?
2. Why would you expect a monosomy to be more lethal than a trisomy?
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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 Truearrow_forward7. The following diagram shows 2 pairs of autosomal chromosomes in a karyotype of a biological woman. Based on the karyotype, a genetic counsellor determined that there is evidence that a translocation occurred between two non-homologous chromosomes. The other 21 pairs of chromosomes are NOT shown in this diagram. Assume no chromosomal aberrations occurred in the other chromosomes. As a student-researcher, the genetic counsellor asks you if you can determine whether the translocation occurred in a somatic cell, germ-line cell, or whether this can even be determined from the figure? Provide an answer and the reasoning for your answer. Darrow_forwardExplain this to me…..arrow_forward
- 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 Carrow_forward3. An inversion heterozygote has the following inverted chromosome: Centromere )))))))))))) A B JI HGF ED CKLM Inverted region What would be the products if a crossover occurred between the genes F and E on the inverted chromosome and the normal chromosome?arrow_forward11. The discovery of chromosome banding in eukaryotes has greatly improved our ability to distinguish various cytogenetic events. Particularly useful are “banding" polymorphisms because the "morphs" can be used as chromosome markers. (These morphs are forms of chromosome that are cytologically distinguishable by virtue of minor variations in band size, position, etc). Let's consider chromosome 21 in humans. Assume that one set of parents are: 21°21 (female) x 21°21ª (male), where a, b, c and d represent "morphs" of a polymorphism for this chromosome. In each case: State the genetic term for the condition (if possible), diagram the event(s) that gave rise to the condition, and state in which individual the event(s) took place. d. 42A + 2121°21° + XX dad MII Interphase [show condensed]: Interphase [show condensed]: Diagram meiosis for After DNA replication: After DNA replication: chromosome 21 in Mom (left) and Dad (right) After Meiosis I: After Meiosis I: Gametes: Gametes: 21 21 21°arrow_forward
- 5. In German cockroaches, bulging eyes (bu) are recessive to normal eyes (bu*), and curved wings (cv) are recessive to straight wings (cv*). These two traits are encoded by autosomal genes that are linked. A cockroach has genotype butbu cv*cv, and the genes are in repulsion. Which of the following sets of genes will be found in the most common gametes produced by this cockroach? a. buʻcy+ b. bu cv с. butbu d. cv*cv е. bu cvtarrow_forward2. An organism is 2n=4 with genotype AaBbEe. Genes A and B are close together on the larger chromosome, and gene E is on the smaller chromosome. a. Using a vertical metaphase plate, draw the two independent orientations of this AaBbEe cell in Metaphase I of Meiosis. b. Label alleles on all chromatids. c. Write the alleles in each possible gamete on the lines below each orientation. OR O'Q ( Gametes:arrow_forward
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