BIOLOGY HIGH SCHOOL

20. Which of the following statements regarding human genetic disorders is accurate? A. Nondisjunction is responsible for causing Huntington's disease. B. Disorders in individual genes can cause disease or provide individuals with a genetic advantage. C. Disorders in individual genes are responsible for Down's syndrome. D. Nondisjunction can lead to an incorrect number of sex chromosomes.

Answers

Answer 1
Answer: The right answer for the question that is being asked and shown above is that: "B. Disorders in individual genes can cause disease or provide individuals with a genetic advantage." the statements regarding human genetic disorders is accurate is that disorders in individual genes can cause disease or provide individuals with a genetic advantage. 

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the study of the interaction of organisms with each other and their environment involves non-living factors, also called _________________, and living factors, which are referred to as __________________.
How does the structure of Tim O'Brien's story "Ambush" relate to its title? a. The narrator's present life cannot escape the bombardment of his wartime memories and actions. b. The narrator's war experiences are in the distant past and no longer influence the present. c. The narrator's platoon was surrounded by the enemy, similar to the way the narrator feels when he is surrounded by his family. d. The narrator continues to write war stories, but he is unable to talk about his wartime experiences. e. The narrator feels his daughter and the young enemy continually cause him to face his past.
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What contains DNA, a control center, has a membrane, and found in eukaryote cells?

Answers

If memory serves correct, your answer should be nucleus!

Crop plant programs are being started which feature oil producing plants used for food as well as for fuel oils. Choose the oil producing plants from the following choices. alfalfa
peanuts
sunflowers
soybeans
cotton
flax
safflower
legumes

Answers

Crop plants that feature oilproducing plants used for food as well as for fuel oils are peanuts,sunflowers, soybeans, flax, safflower. Alfalfa has the same family as legumeswhich do not produce plenty of oil. Alfalfa functions as insectary and helpsfight insects that helps other crops such as cotton. Also, cotton cannotproduce oil.

Answer:

peanuts, sunflowers, soybeans, flax, safflower.

Explanation:

Why is the scientific method described as nonlinear?a. The steps of the scientific method are repeated in a cycle.
b. Scientists often repeat one or more steps several times.
c. Sometimes scientists forget to perform some of the steps.
d. The steps can be performed only once but in any order.

Answers

The correct option is B.

The scientific method refers to the technique which scientists used to carry out scientific investigations about observed phenomenon. The scientific method is made up of many steps and the steps are described as non linear because, scientists sometimes have to repeat some of the steps several time in order to ensure that they are on the right track. Repetition is very important in scientific investigations; it is used to ensure that the results obtained are accurate and bias is minimized.

The scientific method is described as nonlinear because scientists often repeat one or more steps several times. The correct option among all the options that are given in the question is the second option or option "b". I hope this is the answer that has come to your desired help.

Which of the following areas in a secondary lymphoid organ allows intimate contact between blood and the lymphocytes?red pulp of the spleen
germinal centers of the lymph nodes
Hassall's corpuscles of the thymus
white pulp of the spleen

Answers

The white pulp of the spleen areas in a secondary lymphoid organ allows intimate contact between blood and the lymphocytes. Hence, option D is correct.

What is a lymphoid?

The lymphoid organs include the red bone marrow, thymus, spleen and clusters of lymph nodes.

Both white and red pulp contains lymphocytes and immune cells called macrophages. These cells dispose of antigens, dead cells, and debris by engulfing and digesting them. While the spleen functions chiefly to filter blood, it also stores red blood cells and platelets.

Hence, The white pulp of the spleen areas in a secondary lymphoid organ allows intimate contact between blood and the lymphocytes.

Learn more about lymphoid here:

brainly.com/question/13257711

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The answer is White pulp of the spleen

Compare the location of electrons according to Bohr's theory and to the current atomic theory

Answers

In Bohr's model, electrons traveled in fixed orbits around the nucleus of the atom, much like planets around the sun. However, resent discoveries have led to the new atomic theory, in which electrons are randomly in an electron cloud around the nucleus: more dense in some places than others.

radio waves travel into space at the speed of light for 15 minutes. How far out in space did they travel in meters

Answers

To determine how far the radio waves traveled in space in meters, we can use the fact that radio waves travel at the speed of light.

The speed of light is approximately 299,792,458 meters per second.

Given that the radio waves traveled for 15 minutes, we need to convert minutes to seconds. There are 60 seconds in a minute.

So, the total time the radio waves traveled is 15 minutes x 60 seconds/minute = 900 seconds.

To find the distance traveled, we can multiply the speed of light by the time:

299,792,458 meters/second x 900 seconds = 269,813,212,200 meters.

Therefore, the radio waves traveled approximately 269,813,212,200 meters into space.
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