Isotopes are variants of a particular chemical element which differ in neutron number, although all isotopes of a given element have the same number of protons in each atom. The term isotope is formed from the Greek roots isos and topos, meaning "the same place"; thus, the meaning behind the name is that different isotopes of a single element occupy the same position on the periodic table.
Two sister chromatids are held together by the centromere
<h3>The Chromosome</h3>
The chromosome consists of 2 sister chromatids that are linked together by a structure known as the centromere.
Each of the sister chromatids carries an allele of the same gene.
The link between the two sister chromatids is broken at the anaphase stage of the cell division when spindle fibers pull them apart towards opposite poles within the cell.
More on the chromosome can be found here: brainly.com/question/296477
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Explanation:
Key for amk578's SSSS Heredity Test. Section 1: 1. D. 2. B. 3. E. 4. ... gametogenesis and meiosis are essentially the same; both processes result in ... Also, the trait for pink fur is dominant (F) while the trait for blue fur is ... The two unicorns have a ch
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