Recombination (crossing over) during prophase I of meiosis occurs when:

Answers

Answer 1

Answer:

meiosis before tetrads are aligned along the equator in metaphase I.

Explanation:

When chromatids "cross over," homologous chromosomes trade pieces of genetic material, resulting in novel combinations of alleles, though the same genes are still present. Crossing over occurs during prophase I of meiosis before tetrads are aligned along the equator in metaphase I


Related Questions

What is the true nature of science?

Answers

Answer:

Scientific Knowledge Is Based on Empirical Evidence; Scientific Knowledge Is Open to Revision in Light of New Evidence; Science Models, Laws, Mechanisms, and Theories Explain Natural Phenomena. Science Is a Human Endeavor; and. Science Addresses Questions About the Natural and Material World.

The true nature of science is to build knowledge about the natural world. With that information we come up with new ideas and discover new evidence every day

Can someone help me, my paper is due tonight.

Describe solution concentration outside the cell in terms of hypotonic, hypertonic and isotonic.

Answers

Answer:

see below

Explanation:

Hypotonic solution is a very dilute solution to the more concentrated solution. Hypo means under . A solution with a lower concentration of solutes than the cytoplasm of a cell, that solution is hypotonic to the cytoplasm. The cell expands as water moves in.

Hypertonic solution is a more concentrated solution to cytoplasm. Hyper means above. A hypertonic solution has higher concentration of solutes than the cytoplasm of the cell. The cell shrinks as its cytoplasm loses water.

Isotonic solution is when two solutions of equal concentration are separated by a semi permeable. Iso means equal. Therefore, in isotonic solutions, water movement out of a cell balances the water movement into it. Cells in the body are usually surrounded by a fluid. The cytoplasm in the cell is usually isotonic to the fluid outside the cell. Hence, no net gain or loss of water by cells.

So, basically, if a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink. In an isotonic environment, there is no net water movement, so there is no change in the size of the cell. When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell.

Other Questions
1. A boy is _______the buffalo in the rice field. A. playing B. fighting C. herding D. running n cht no sau y tc dng vi dung dch axit sunfuric long sinh ra kh ?a ngb cacbonc nhmd lu hunh which statement best characterizes the standard of beyond a reasonable doubt required to convict a defendant in a criminal case? aling mely bought 1 3/4kg of cashew nuts, 5/8 od peanuts, and 1 1/2 kg of pimnuts.how many kilogram of nuts did she buy. The base of a pyramid has n sides. explain how slavery was used so often in the production of sugarcane and tobacco. what was causing these items to be in such high demand? What is a story's theme?A.the events that happen in the storyB.what the characters do to solve the conflictC.the writer's reason for writing the storyD.the big idea that the story is about The active ingredient in which of the following drugs mimics a natural neurotransmitter? Which best describes the error in finding the area of the parallelogram?15 meters was used for the height instead of 13 meters.15 meters was used for the height instead of 13 meters.8 meters was used for the height instead of 13 meters.8 meters was used for the height instead of 13 meters.The product of 8 and 15 is not 120.The product of 8 and 15 is not 120.The formula to use should have been A=12bh instead of A=bh.The formula to use should have been, cap A is equal to 1 half b h instead of cap A is equal to b h.Question 2Correct the error.A= = m2 public speaking true false most negative experiences in groups result from a lack of a celar goal Hund's rule: states that electrons always enter an empty orbital before they pair up. How is Wallace's view scientific What is recycling? How does it help in management of hazardous waste? What is nationwide? Which region is the only area to experience a Mediterranean climate?(10 points for question!) 1. Using what you know about similar triangles, find an equation for the line in the diagram. Find m (slope) and b (y-intercept) in the equation of the line: y = mx + b. Label your answers in decimal form if needed. m = b = 2. What is the slope of this line? Slope = 3. Is the point (9, 11) also on the line? (Type "YES" or "NO") 4. Is the point (100, 193) also on the line? (Type "YES" or "NO") 5. Is the point (20, 33) also on the line? (Type "YES" or "NO") which branch of government impeaches/removes the president solve pls brainliest PLS HELP!!! WILL GIVE BRAINLIEST Which of the following is not a characteristic of lakes? A) deeper than ponds B) lack of waves C) found in mountainous regions D) larger than ponds E) fed by rivers