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2 answers:

7 0

Tay-Sachs disease is caused by mutations in the HEXA gene and inheritance is autosomal recessive . The HEXA gene gives the body instructions to make part of the beta-hexosaminidase A enzyme, which is needed to break down a substance called GM2 ganglioside.

i hope this helped! please mark me as brainliest and 5 stars >:)

JulsSmile [24]3 years ago

4 0

Answer:

Frameshift mutation

Explanation:

A frameshift mutation is a genetic mutation caused by insertions or deletions that shift the whole sequence.

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William and Quentin are fraternal twins. This means they share, on average, what % of genes with one another?

nordsb [41]

Answer:

The correct answer is 50%

Explanation:

Fraternal twins are the twins which are produced from the fertilization of two different eggs by two different sperms. These eggs are released at the same time.

So as fraternal twins are produced from fertilization of two different eggs therefore they share 50% of genes with each other just like other siblings. They are also called dizygotic twins

Identical twins are produce from a sigle fertilized cell which later divides into two cell mass. Indentical twins share 100% gene. Therefore the correct answer is 50%.

7 0

3 years ago

What type of chemical reaction breaks down nutrients and stores their energy as ATP?

Andrews [41]

Answer:

Cellular Respiration

Explanation:

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3 years ago

A tissue sampler that is being used for a medical procedure is placed inside a saline solution. Unknown to the medical team, the

solong [7]

Answer: Water will leave the cell and the cell will shrink.

Explanation:

Osmosis is the net movement of water from an area of low to high concentration of solutes through a semipermeable membrane. If none of the compartments contains solutes, then the water moves in either direction between the compartments. However, if we add a solute to one of the compartments, this will affect the probability of water molecules leaving that compartment and moving into the other compartment. The ability of water to move into or out of a cell is called tonicity. The tonicity of a solution is related to its osmolarity, which is the total concentration of all the solutes in the solution. A solution with low osmolarity has few solute particles per liter of solution, whereas a solution with high osmolarity has many solute particles per liter of solution. When two solutions with different osmolarities are separated by a membrane permeable to water but not permeable to solutes, water diffuses from the side with lower osmolarity to the side with higher osmolarity. So, solutions can be:

Hypotonic: The extracellular fluid has a lower osmolarity than the fluid inside the cell, it is hypotonic with respect to the cell, and the net flow of water will be into the cell.
Hypertonic: The extracellular fluid has a higher osmolarity than the cytoplasm of the cell, it is hypertonic with respect to the cell and water will flow out of the cell.
Isotonic: The extracellular fluid and the cell have the same osmolarity so there is no net movement of water.

If a cell is placed in a hypertonic solution, water will leave the cell and the cell will shrink due to the difference in pressure and may even die from dehydration.

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3 years ago

Darwin collected an studied many specimens to understand natural selection on the Galapagos islands. which organisms did he stud

frez [133]

He chose to study birds, plants, and animals. Mostly 2 types of Finches.

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3 years ago

Can someone help me with this chart it’s about waves. Questions 12-16

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Science has shown that smoking causes cancer. which is an example of how society responded to this information

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3 years ago