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klasskru [66]
3 years ago
14

In a laboratory, an albino mouse was treated with a chemical, resulting in a somatic mutation that induced a skin tumor. The mou

se was able to survive. What affect would this mutation have on its progeny?
a).The mouse couldn't have any progeny.
b).Its progeny would have been affected.
c).Its progeny would have been normal.
Biology
1 answer:
Anni [7]3 years ago
6 0
Somatic mutations can be passed on. B is the correct answer
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You know that the narrow-sense heritability of milk production in Ayrshire cattle is 0.587. You perform an experiment where you
Paha777 [63]

Answer:

Explanation:

Narrow sense heritability - h​​​​2

​​​​​​selection differential - S

Selection differential is calculated from the difference between the population average and the parental population.

Breeder's equation:

Response to selection - R = h​​​​​​2S

Mean milk production of 10% cows for experiment = 8.9L/hr

Mean milk production of parental population = 5.1L/hr

Selection differential S= 8.9 - 5.1 = 3.8 L/hr

Response to selection = 0.587 × 3.8 = 2.23

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How are the body systems used to address the basic needs of survival: food, water, sleep and shelter?
Yuri [45]

Answer:

please mark brainliest im trying to level up :>

Explanation:

1. The resources the human body needs to survive include food, water, and oxygen. Food includes macro-molecules, as well as vitamins and minerals. Water- can be taken in through foods or drinks, 3/4 of the body is water and oxygen is the air around us is about 20% oxygen and the gas humans need to survive.  

2. The role that food play in the human body depends on the type of food; (there are three types of food, carbohydrates, lipids and proteins). Carbohydrates act as a quick source of energy, lipids are long term source of energy, cushioning of organs, and also makes up much of the brain. Proteins mainly build and repair body tissues.

3. The role of water in the human body includes;

Dissolves other materials and allows them to flow in the blood, it gives the cells structure, just the right amount needed to prevent shrinking and exploding, allows food to digest and pass through the intestinal walls in the blood stream, carry waste products out of the body in the urine and regulating homeostasis of body temperature by evaporating and sweating.  

4. The role of oxygen in the human body is that it allows human to bur food, creating energy through the process of respiration. Each cell in the body needs oxygen to survive. Cells turn glucose and oxygen into energy (ATP) within their mitochondria through cellular respiration process. Therefore; without oxygen, food can not be processed and energy won't be made.

5. The human body systems that work together to create, process or distribute the body's main power sources include; the digestive system and the cardiovascular system, Food is taken through the digestive system, passes through cardiovascular system for the distribution to all cells where its let into the cells by insulin and processed within the mitochondria. Also the respiratory system and cardiovascular system, Oxygen is taken through the respiratory system, and passes to the cardiovascular system for distribution to all cells, where its processed within the mitochondria. Water goes through digestive system, cardiovascular system and the urinary system to remove wastes and also maintain homeostasis.

6. Personal factors and environmental factors impact the body's ability to survive without air, food or water. Environmental factors include the presence of dangerous animals, temperature of air, humidity of air, presence of protective clothing among others. Personal factors on the other hand include; Fitness level, age, will to survive, amount of fat, genes, metabolism, etc.

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2 years ago
What portion of a pre-mRNA molecule may be cut out and discarded before the molecule reaches the ribosome?
sergij07 [2.7K]

What portion of a pre-mRNA molecule may be cut to be discarded?

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5 0
2 years ago
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Sveta_85 [38]

Answer:

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Question 10: Disruptive Selection

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