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zalisa [80]
4 years ago
9

Help in this biology work please

Biology
1 answer:
noname [10]4 years ago
5 0

Answer:hi

Explanation:

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Explain, using the principles of genetic inheritance, why Huntington's disease is common among them Afrikaners.
Salsk061 [2.6K]

Answer: The transfer of traits (characters) from one generation to another is called as inheritance.  

The Huntington's disease is common in people of Africa because this disease is very frequent among the Dutch descent population or Afrikaner in the South Africa, as the gene for this disease is unusually very common among the small population of the original Dutch colonists. The disease has been so common in the generations of the Afrikaner since last 14 generations. It is less prominent now as compared to how it was previously.


4 0
3 years ago
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The epiglottis is pushed downward and the larynx is lifted up to meet it when we swallow. True False
Alex17521 [72]

Answer:

The correct answer is true.

Explanation:

Swallowing of food is the process of passing the food from the mouth to the stomach through the way of the throat (pharynx) and esophagus. This process takes place in three stages:  oral, pharyngeal, and esophageal stages  

During the pharyngeal stage, epiglottis which is a leaf-shaped flap of cartilage located at top of the larynx (a muscular organ forming voice box) perform functions in response to the swallowed food as the larynx lift up or rises inside the neck to close the epiglottis while the epiglottis moves downward to cover it, providing more airway protection.

Thus, true is the correct answer.

8 0
3 years ago
Help emergent please !! Need it answered correctly
olganol [36]
Hello!! The answer should be C because as the higher you go in the food chain, the energy will decrease. Plants and the producers always have the most energy, whereas the tertiary consumers always have the least amount of energy. I hope I helped and gave you the right answer you are looking for. Have a great evening!!
8 0
4 years ago
What structure connects the two hemispheres of the brain
UNO [17]

Answer:

The corpus callosum.

Explanation:

The cerebellum structure consists of two halves. The right and the left. This is connected to the corpus callosum that contains a lot of nerves

6 0
3 years ago
The collection of all the genetic material (the dna) in a cell or organism is called the:_________
Papessa [141]

<u>genome</u>

The collection of all the genetic material (the DNA) in a cell or organism is called the <u>genome</u>.

  • The total collection of DNA instructions present in a cell makes up the genome.
  • The human genome is made up of 23 pairs of chromosomes that are found in the cell's nucleus and one tiny chromosome that is found in the mitochondria.
  • Everything a person needs to grow and operate is encoded in their genome.

<h3>What makes the genome significant?</h3>
  • Three billion base pairs of DNA make up the whole human genome, which is uniquely structured to give us our basic anatomy and unique traits like height and hair color.
  • Understanding how genes function is essential for understanding how our bodies function and what occurs when we are ill.
  • Genes are formed by DNA.

To learn more about genome visit:

brainly.com/question/20215717

#SPJ4

6 0
2 years ago
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