Answer: OPTION E
Explanation:unequal crossover usually leads to duplication or deletion of chromosome. In this case,. A DNa strand is deleted and replace usually by another DNA strand which is mostly a duplicate from a sister chromatid and this process leads to Gene families been produced beause one is deleted and again and again duplicate is produced on the same place (2 product formation). It is a form of chromosomal crossing over that exists between homologous sequence which were initially not paired together. In Gene duplication and mutation in organism, unequal crossover is said to be the pioneer or chief cause of it with Gene conversion beside it.
Answer:
of the answers i believe it to be B
Explanation:
The xylem can be found in either the roots or the leaves and they are dead tissue.
Monosaccharides and disaccharides are relatively small molecules. They are often called sugars.
As hinted in the question, the cross bridge cycle is a
series of molecular events that occur after excitation of the sarcolemma. A
cross bridge is formed when a myosin head bound to actin. The cross bridge
cycle depends on the presence of calcium ions
<h2>Answer:</h2>
B.lithosphere is neither destroyed nor produced
<h2>Explanation:</h2>
Transform boundaries are places where plates slide sideways past each other. One plate is forced below another in a process which is called subduction. Many transform boundaries are found on the sea floor, where they connect segments of diverging mid-ocean ridges. In this process, lithosphere is neither created nor destroyed so B is the correct option.
