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In an organism with a haploid number of 7, how many possible combinations of maternal and paternal chromosomes can occur in its gametes? Select one: O a.17= 7 O b. 72 = 49 O.27= 128 O d. 214 = 16 384

In an organism with a haploid number of 7, how many possible combinations of maternal and paternal chromosomes can occur in its gametes? Select one: O a.17= 7 O b. 72 = 49 O.27= 128 O d. 214 = 16 384

Human Anatomy & Physiology (11th Edition)
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
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In an organism with a haploid number of , how many possible combinations of maternal and paternal chromosomes can occur in its gametes?
Select one:
a. 
b. 
c. 
d. 
In an organism with a haploid number of 7, how many possible combinations of maternal and paternal chromosomes can occur in its gametes? Select one: O a. 17 = 7 O b.72 = 49 Oc.27 = 128 O d. 214 = 16 384 %3D
Transcribed Image Text:In an organism with a haploid number of 7, how many possible combinations of maternal and paternal chromosomes can occur in its gametes? Select one: O a. 17 = 7 O b.72 = 49 Oc.27 = 128 O d. 214 = 16 384 %3D
During metaphase I of meiosis, tetrads align along the metaphase plate independently of each other. Therefore, there is a random "shuffle" of maternal and paternal chromosomes in the resulting gametes. The following diagram demonstrates how this works in a diploid cell with four chromosomes (2n = 4). Because there are two pairs of chromosomes and each pair can align in one of two ways during metaphase I, the number of possible variations in the gametes produced is 2?, or 4. For an organism that is 2n = 6, there are three pairs of chromosomes, so the number of possible variations in the gametes produced due to independent assortment in metaphase I is 23, or 8. Metaphase I Metaphase II Gametes Genetic arrangement 1 Genetic arrangement 2 Metaphase Metaphase I| Gametes Genetic Genetic arrangement 3 arrangement 4 In an organism with a haploid number of 7, how many possible combinations of maternal and paternal chromosomes can occur in its gametes? Chromosome Arrangement 2 Chromosome Arrangement 1
Transcribed Image Text:During metaphase I of meiosis, tetrads align along the metaphase plate independently of each other. Therefore, there is a random "shuffle" of maternal and paternal chromosomes in the resulting gametes. The following diagram demonstrates how this works in a diploid cell with four chromosomes (2n = 4). Because there are two pairs of chromosomes and each pair can align in one of two ways during metaphase I, the number of possible variations in the gametes produced is 2?, or 4. For an organism that is 2n = 6, there are three pairs of chromosomes, so the number of possible variations in the gametes produced due to independent assortment in metaphase I is 23, or 8. Metaphase I Metaphase II Gametes Genetic arrangement 1 Genetic arrangement 2 Metaphase Metaphase I| Gametes Genetic Genetic arrangement 3 arrangement 4 In an organism with a haploid number of 7, how many possible combinations of maternal and paternal chromosomes can occur in its gametes? Chromosome Arrangement 2 Chromosome Arrangement 1
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