“Karyotype” also refers to the actual collection of chromosomes being examined. Examining chromosomes through karyotyping allows your doctor to determine whether there are any abnormalities or structural problems within the chromosomes. A karyotype test examines these dividing cells.
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Answer:
The double-helix structure of DNA: <u><em> Watson, Crick, Franklin
</em></u>
The chemical composition of proteins: <u><em>Mulder
</em></u>
The monomer of nucleic acids:<u><em> Levene</em></u>
Answer: Meiosis; fertilization
In the human life cycle, diploid cells undergo a cell division process called meiosis. The resulting haploid cells later fuse during fertilization which regenerates diploid cells.
Explanation:
Diploid cells possess two basic sets of chromosomes known as homologous chromosomes. They undergo a two-step meiosis (Meiosis I and II) to yield four haploid cells with half the original chromosome number of the parent cell. These haploid cells are called sex cells or gametes.
The male and female gametes (sperm and egg) then fuses during fertilization to form zygote, a single cell with two sets of chromosomes (diploid number). Then, it undergoes mitosis to regenerates diploid cells with the same chromosome number as found in the zygote.

Each anterior root and its corresponding posterior root unite within the <u>intervertebral foramen</u> to become a spinal nerve.
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Because that is what is forming the landforms in the world.