Claim: No tools to discover the impending Cell Theory.
Reasoning:
Schleiden and Schwann, as well as Virchow, are generally seen as the founders of the cell theory, due to their pioneering scientific work in the 1800s. The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.
Evidence: The cell theory has many complexities and is of importance due to its affect to nearly every aspect of biology, from our comprehension of life & death, managing diseases, cycles and etc. But early scientists had no tools to study cells. They didn't even know about them. It took the invention of the microscope to view them and to begin an understanding of cells.
(Two Dutch spectacle-makers and father-and-son team, Hans and Zacharias Janssen, create the first microscope.) Matthias Schleiden observed that all plants were made of cells from the microscope and Theodor Schwann observed that all animals were also made of cells. Rudolf Virchow observed that cells only come from other cells Virchow saw cells dividing and added that living cells arise only from other living cells. These ideas led to cell theory, which states that all organisms are made of cells, all life functions occur in cells, and all cells come from other cells.
Answer:
Los autosomas o cromosomas autosómicos han sido ordenados de acuerdo a la morfología que poseen. ... Cada par de cromosomas son homólogos, es decir, contienen genes idénticos, con la misma ubicación a lo largo de cada cromosoma (locus). Ambos codifican para las mismas características genéticas.
Un autosoma es cualquier de los cromosomas, excepto los cromosomas sexuales. Los humanos tienen 22 pares de autosomas y un par de cromosomas sexuales (el par número 23, formado en las mujeres por dos cromosomas X y, en los hombres, un cromosoma X y un cromosoma Y).
Amniocentesis is a freshly established test for identifying fetal duchenne's muscular dystrophy.
<h3>What is tested for during an amniocentesis?</h3>
Amniocentesis is a test that may be recommended to you during pregnancy to determine whether your unborn child has a chromosomal or genetic disorder like Down syndrome, Edwards syndrome, or Patau's syndrome.
<h3>What exactly does an amniocentesis entail?</h3>
A little sample of amniotic fluid is removed during an amniocentesis operation for testing. This is the fluid that a pregnant woman's fetus is enclosed in. The amniotic fluid shields the fetus from harm and is transparent and pale yellow in color. provides infection protection.
<h3>What takes place after a positive amniocentesis test?</h3>
If the test yields a positive result, the fetus may have the genetic disorder. To confirm this, more testing are sometimes required.
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