A hormone is a regulatory molecule that is secreted into the blood by an endocrine gland
two Barr bodies
A Barr body is the inactivated X chromosome when in a case like this, there is more than one X chromosome for only one place. In this case, because there are two more X chromosomes than it would be normal, it will result in two Barr bodies. So, the number of Barr bodies will be <span>is always the total number of X chromosomes minus one.</span>
During C. M phase , this would most likely occur because during Mitosis it is the physical separation of DNA , where chromatids are being split in half and so it might be possible that a chromatid might not have been split in half perfectly, resulting in genetic disorders.
Answer:
Jean-Baptiste Lamarck
Explanation:
Jean-Baptiste Lamarck was a French biologist which developed the first theory to understand how species change (evolve) over time. This evolutionary concept was published under the name of 'Theory of the Transmutation of Species' in the early 19th century. Subsequently, Darwin published his famous and widely accepted evolutionary theory in the book 'On the Origin of Species' (1859).
True because the surface of the water table may vary due to seasonal change