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Why are chromosomes considered to be the source of diversity?

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Is genetic diversity due entirely to inherited genes on the sex chromosomes?

No, genetic diversity is not solely due to genes on the sex chromosomes. It is influenced by variation in the entire genome, including genes on autosomes and mitochondrial DNA. Genetic diversity also arises from mutations, gene flow, and genetic recombination during meiosis.


How do 2 pairs of homologous chromosomes contribute to genetic diversity in offspring?

During meiosis, homologous chromosomes exchange genetic material through a process called crossing over. This creates new combinations of genes on the chromosomes, leading to genetic diversity in the offspring.


What meiosis stage is considered the reduction stage?

Prophase I is considered the reduction stage in meiosis. This is when homologous chromosomes pair up and exchange genetic material through crossing over, leading to genetic diversity in the resulting gametes.


Why do humans have 23 chromosomes?

Humans have 23 pairs of chromosomes because this number allows for genetic diversity and proper cell division during reproduction.


Why are chromosomes in pairs?

Chromosomes are in pairs because one comes from each parent during sexual reproduction. This pairing ensures genetic diversity and helps maintain the correct number of chromosomes in offspring.


Humans are a diploid species what does this say about their chromosomes?

They have homologous chromosomes


During metaphase 1 all 23 maternal chromosomes lined up on one side of the cell would genetic diversity in crease?

No, having all 23 maternal chromosomes lined up on one side of the cell during metaphase I would not increase genetic diversity. Genetic diversity comes from the independent assortment and random distribution of maternal and paternal chromosomes during meiosis.


If a haploid is considered as one set of chromosomes then what are two sets of chromosomes considered as?

the prefix di- means 2. so a diploid is two sets of chromosomes.


How does crossing over during meiosis increase genetic diversity?

During meiosis, crossing over occurs when homologous chromosomes exchange genetic material. This process creates new combinations of genes on the chromosomes, leading to increased genetic diversity among offspring.


How do homologous chromosomes contribute to genetic diversity through the process of crossing over?

Homologous chromosomes contribute to genetic diversity through crossing over, a process where sections of DNA are exchanged between paired chromosomes during meiosis. This exchange results in new combinations of genetic material being passed on to offspring, increasing genetic variation.


Which type of chromosomes contain the same genes in the same location?

Homologous chromosomes contain the same genes in the same location. They are pairs of chromosomes—one inherited from each parent—that carry the same gene sequence. Homologous chromosomes are essential for genetic diversity and inheritance.