Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 13, Problem 12RQ
Abnormalities in the number of X chromosomes tends to have milder
- deletions
- nonhomologous recombination
- synapsis
- X inactivation
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Chapter 13 Solutions
Biology 2e
Ch. 13 - Figure 13.3 In a test cross for two...Ch. 13 - Figure 13.4 Which of the following statements is...Ch. 13 - Figure 13.6 Which of the following statements...Ch. 13 - X-linked recessive traits in humans (or in...Ch. 13 - The first suggestion that chromosomes may...Ch. 13 - Which recombination frequency corresponds to...Ch. 13 - Which recombination frequency corresponds to...Ch. 13 - Which of the following codes describes position 12...Ch. 13 - In agriculture, polyploid crops (like coffee,...Ch. 13 - Assume a pericentric inversion occurred in one of...
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- Under normal conditions, the members of a pair of homologous chromosomes separate from each other __________________. during anaphase of meiosis I and meiosis II during anaphase of mitosis, meiosis I, and meiosis II only during anaphase of meiosis I only during anaphase of meiosis II only during anaphase of mitosisarrow_forwardDown syndrome individuals carry an extra chromosome _________ in their cells.arrow_forwardterm for random alignment of the homologs along the metaphase plate of meiosis I (2 words)arrow_forward
- Chromosomal Abnormalities Name of Number of Classification of Affected Description autosomes and abnormality Chromosome Inumber Abnormality sex chromosomes Metafemale Numerical abnormality Sexual syndrome aneuploidy 47 Chromosome x Wolf-hirschhorn Structural abnormality Deletion syndrome 46 Chromosome 5 Structural abnormality Deletion Chromosome 11 Pallister-Killian Chromosome 12 syndrome 47 Chromosome 13 Isodicentic 15 syndrome 47 Numerical abnormality autosomal aneuploidy 47 Chromosome 18 Cat eye Chromosome 22 syndrome Down syndrome 47 With oblique eyes Numerical Also called as abnormality Sexual criminal syndrome aneuploid Turner syndrome 45 Numerical abnormality sexual aneuploid 45 Can not survive long Alagille syndrome Structural abnormality Translocationarrow_forwardTrue or false: A somatic cell mutation may be passed on to offspring. arrow_forwardWhy is X chromosome inactivation important in female cells? (300 word limit)arrow_forward
- Once the chromosomes are attached by a centromere they are each considered to be chromatids. true or falsearrow_forwardConsidering the following chromosome which is represented as a series of genes on each arm separated by the centromere. Describe the type of mutation required to produce each of the mutant chromosomes below. ABCDEFG*HIJKLMNarrow_forwardI answered as the Smooth ER (I'm not sure if that is correct). I marked that in the lower right hand corner of the cell (it's a small 'x'). Both were marked incorrect. I'd appreciate any help. Thank you.arrow_forward
- View this video. List at least eight (8) different processes that affect the structure of the chromosomes. Explain in a sentence how each process happens. https://www.youtube.com/watch?v=7_p14l8gPhkarrow_forwardAn abnormality in which there is one more or one fewer than the normal number of chromosomes is calledarrow_forward8. ____________________ is the reciprocal exchange of DNA between two non-sister chromatids, which resultsin the rearrangement of linked alleles.arrow_forward
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