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A diploid cell has two pairs of homologous chromosomes. How many different combinations of chromosomes could there be in the gametes?
Weegy: Human diploid cells have 46 chromosomes and human haploid gametes (egg and sperm) have 23 chromosomes. User: Okay ? but we're talking about "How many different combinations..." (More)
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Asked 1/29/2013 12:34:06 AM
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How many different combinations of chromosomes could there be in the gametes if a diploid cell has two pairs of homologous chromosomes ?
Weegy: I will assume that you mean human cells. Somatic cells are diploid (2n), containing two sets of chromosomes, one of paternal, one of maternal origin. Gametes, on the other hand, are haploid (n), with a single set of chromosomes, ie. [ half as many as the somatic cell. Now, the haploid chromosome number (n) is characteristic of the species, and in humans this number happens to be 23. Therefore a human gamete has 23 chromosomes, and a ... (More)
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Asked 1/29/2013 12:47:59 AM
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What would happen to the possible variation in gametes if the number of chromosome pairs increased from two to three? What if the number increased again from three to four?
Weegy: The mechanisms that lead to genetic variations in gametes are segregation and independent assortment of chromosomes, crossover of homologues and gene recombination, and random fertilization. [ Segregation implies that the members of the allele pair determining each trait are distributed to different gametes during meiosis. Independent assortment of chromosomes means that alleles for the same trait are distributed independently of each ... (More)
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Asked 1/29/2013 12:49:40 AM
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How can independent assortment help explain genetic diversity in humans? Hint: How many pairs of chromosomes are in a human diploid cell?
Weegy: Genetic diversity, the level of biodiversity, refers to the total number of genetic characteristics in the genetic makeup of a species. [ It is distinguished from genetic variability, which describes the tendency of genetic characteristics to vary. [ Genetic diversity serves as a way for populations to adapt to changing environments. With more variation, it is more likely that some individuals in a population will possess variations of ... (More)
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Asked 1/29/2013 12:59:47 AM
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