Answer:
Genetic recombination occurs due to crossing over between homologous chromosomes.
Explanation:
Answer: E) tight junctions
Explanation:
Tight joints act as barriers that regulate the circulation of water and solutes between the epithelial layers. Tight junctions are classified as a paracellular barrier, which is defined as having no directional discrimination, but movement is largely dependent on solute size and load.
There are 8,324,608 possible combinations of 23 chromosome pairs. As a result, two gametes virtually never have exactly the same combination of chromosomes. Each chromosome contains dozens to thousands of different genes.
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Answer:
3rd bubble
Explanation:
convergent boundary
Explanation: When two plate move towards each other they converge or come together. The collision between two plates that are moving towards each other is called a convergent boundary. When an ocean plate meets a continental plate at close to a straight line ( 180 degrees) the result is a subduction zone.
The answer is C. The element X, with 12 protons is a metal Mg