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Alborosie
3 years ago
15

Consider the genetic cross for sex in humans XX is female and XY is male

Biology
1 answer:
iVinArrow [24]3 years ago
7 0

there would be a 50% chance of having a boy and a 50% chance of having a girl

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Which of these internal feedback reactions does not need your brain? OA. Your leg jumping when it is hit by a reflex hammer B. Y
Zinaida [17]

A. Your leg jumping when it is hit by a reflex hammer

7 0
3 years ago
In your own words, describe how the time required for digestion can be used to determine the time of death.
Paul [167]

Answer: Backdating the time required for food found in the stomach of the deceased to digest. Since digestion can't continue after death.

Explanation: The time taken for food to get digested can be employed to depicts time of death. This process involves understanding the period of time that usually takes the food found in the gastric of the deceased to calculate the time of death.

Different foods has varying time of digestion, so therefore, the gastric content is a good indicator to determine time of death by the doctor who is carrying out autopsy, since digestion does not continue after death.

However, it is established by scientist that food takes up to 4-6hours in the stomach depending on the size and type of food. Hence, if the status of the food found in the deceased stomach is noted accordingly and the time taken requires for digestion is also noted، the doctor can deduce the time of death accordingly from this two points.

7 0
3 years ago
Which suspect’s DNA matches that found at the crime scene? Does this automatically mean that the suspect is guilty? 2. What poss
igomit [66]

Answer:

RFLP analysis of genomic DNA is facilitated by Southern blot analysis.   After electro-phoresis, DNA fragments in the gel are denatured by soaking in an alkali solution.  This causes double-stranded fragments to be converted into single-stranded form (no longer base-paired in a double helix).  A replica of the electrophoretic pattern of DNA fragments in the gel is made by transferring (blotting) them to a sheet of nitrocellulose or nylon membrane. This is done by placing the membrane on the gel after electro-phoresis and transferring DNA fragments to the membrane by capillary action or electro-transfer.  DNA, which is not visible, becomes permanently adsorbed to the membrane, that can then be manipulated easier than gels.

Explanation:

4 0
3 years ago
Edward is in the midst of a major depressive episode. He has just learned that his best friend is going through a divorce and fe
Westkost [7]

Answer:

The answer is- Feeling worthless and guilty

Explanation:

The options are;

a. Hypersomnia

b. Melancholia

c. Feeling worthless and guilty

d. Suicidal ideation

Option D is the answer because Edward feels responsible for his best friend's divorce even though he had nothing to do with it. One of the symptoms of depression is the feeling of worthlessness and guilt. Edward is feeling guilty.

5 0
3 years ago
Read 2 more answers
How does the human heart level of organization relate to cells? To organ systems
ANEK [815]
It is hard to understand this question but ill give you my best answer. The hearts level of organisation to cells is immense, the heart pumps blood to every cell in the body (so they can respire) through a system of Arteries, veins and capillaries. The blood is pushed by the force of the heart through the arteries, the main (and largest) tubes for transportation to segments of the body further away from the heart. This goes into a smaller system of veins that brake off into a tree kind of pattern to reach every cell. These later brake off into the capillaries that have walls only 1 cell thick. This is how blood is transported to each cell that requires energy and oxygen to respire.
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3 years ago
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