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Compare your models of the four haploid cells with those of other groups. Describe and explain any variation that you observe.
They reproduce sexually. Sexual reproduction is a process in which male and female gamete fuses together to form zygote. [ [ Because since gametes take part in the production of new offsprings, the male and female gamete must have equal and half the number of chromosomes so that the zygote will have same number of chromosomes as their parents. ] ]
Expert answered|kenjea21|Points 0|
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Asked 12/16/2012 12:40:03 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? User: How can independent assortment help explain genetic diversity in humans?
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 alleles that are suited for the environment. Those individuals are more likely to survive to produce offspring bearing that allele. The population will continue for more generations because of the success of these individuals.[1] The academic field of population genetics includes several hypotheses and theories regarding genetic diversity. The neutral theory of evolution proposes that diversity is the result of the accumulation of neutral substitutions. Diversifying selection is the hypothesis that two subpopulations of a species live in different environments that select for different alleles at a particular locus. This may occur, for instance, if a species has a large range relative to the mobility of individuals within it. Frequency-dependent selection is the hypothesis that as alleles become more common, they become more vulnerable. This is often invoked in host-pathogen interactions, where a high frequency of a defensive allele among the host means that it is more likely that a pathogen will spread if it is able to overcome that allele. ] User: Why must you use the same number of beads when you construct the second chromosome in Step 1? Weegy: You must use the same number of beads when you construct the second chromosome in step 1 because it is supposed to match the other side in full. [ ] (More)
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Asked 12/16/2012 12:52:32 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?
Weegy: Both of thes questions have to do with the fact that the more chromosomes there are, the more opportunity there is for crossing-over and recombination. These increae variation in the gametes. (More)
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Asked 12/16/2012 12:47:10 AM
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How does crossing-over increase variation in genes?
Weegy: How does crossing-over increase variation in genes? In prophase 1 crossing over causes chromosome segments to exchange and leads to new combinations of genes (More)
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Asked 12/16/2012 1:05:52 AM
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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: A diploid cell (2n) has two full sets of chromosomes,so, the cell starts out as 2n= 2 sets of chromosomes= a diploid cell (46 Chromosomes) (More)
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Asked 12/16/2012 1:01:15 AM
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Why is the longer chromosome pair used to model crossing-over?
Weegy: Using the longer chromosomal pair when modeling crossing-over helps the observer's see the pattern in a spread-out example. User: A diploid cell has two pairs of homologous chromosomes. How many different combinations of chromosomes could there be in the gametes? Weegy: Diploid cells contain homologous pairs of chromosomes and each of the four cells contains half the number. (More)
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Asked 12/16/2012 12:58:26 AM
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