Answer:
Prophase II meiosis-chromosomes-6 and 12 DNA molecules per cell.
Explanation:
Meiosis is a unique type of division that occur in cells in which the chromosome number is decreased to half with the creation of haploid cells. It can be referred to as reduction division and it mostly occurs in organisms which go through sexual reproduction.
In prophase II , the nucleoli and nuclear membrane disappear.
The chromatids reduces in length to become short and thick .
The centromeres migrates to the polar regions and set the spindle fibres in place for the second meiotic division.
Therefore, at Prophase II of meiosis
The daughter cells are haploid. Its haploid cells should possess six chromosomes and 12 DNA molecules.
Answer:
Most likely the parents are both has blue eyes but that's phenotype s their genotype would be bb or blue/blue because blue eyes are a recessive trait and it would be highly unlikely for all ten children to have blue eyes if this genotype were not the case (likely about 50% would not have blue eyes if the genotype was anything else but recessive blue and recessive blue)
Explanation:
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Mutations can occur during DNA replication if errors are made and not corrected in time. Mutations can also occur as the result of exposure to environmental factors such as smoking, sunlight and radiation.
Absorbing other cells gave a competitive advantage.
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