The Random Alignment of Maternal and Paternal Homologous Chromosomes During

question 103

Multiple Choice

The random alignment of maternal and paternal homologous chromosomes during metaphase I is one of the ways genetic variability among gametes comes about. For example, it is possible for an organism with 4 pairs of homologous chromosomes to produce gametes with up to 16 different combinations of maternal and paternal chromosomes (2⁴ = 16) . In the case of humans with 23 pairs of chromosomes, there are over 8 million possible combinations. How many possible combinations of maternal and paternal chromosomes are possible in the gametes of an organism with 8 chromosomes?

• A)16
• B)64
• C)256
• D)512
• E)1024

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