What do we mean when we use the terms monohybrid cross and dihybrid cross? A) A monohybrid cross involves a single parent, whereas a dihybrid cross involves two parents.
B) A monohybrid cross produces a single progeny, whereas a dihybrid cross produces two progeny.
C) A dihybrid cross involves organisms that are heterozygous for two characters and a monohybrid cross involves only one.
D) A monohybrid cross is performed for one generation, whereas a dihybrid cross is performed for two generations.
E) A monohybrid cross results in a 9:3:3:1 ratio whereas a dihybrid cross gives a 3:1 ratio.

Answers

Answer 1

Answer: The answer is C) A dihybrid cross involves organisms that are heterozygous for two characters and a monohybrid cross involves only one.

A dihybrid cross considers two traits, while a monohybrid cross considers one trait to be inherited.
The other statements cannot be true because of the following:
A) Both monohybrid and dihybrid cross involves two parents.
B) There is more than one progeny in both monohybrid and dihybrid cross, and the number depends on parental genotypes.
D) Both monohybrid and dihybrid cross are performed for two generations.
E) A monohybrid cross results in a 3:1 ratio whereas a dihybrid cross gives a 9:3:3:1 ratio.

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Which among these statements best describes how the Montgomery Bus Boycott affected the civil rights movement?A) The boycott led to Montgomery being ignored by the movement.

B) The boycott started a massive nonviolent movement.

C) The boycott caused Martin Luther King Jr. to lose credibility.

D) The boycott ended segregation in public facilities in the South.

Answers

Let's analyze this.

Martin Luther King rose his name through the boycott, so option C is not the answer. The movement was taken to the supreme court, so option A is not the answer and the movement still DID NOT end the racial segregation, which eliminate option D

So the answer is : B the boycott started a massive nonviolent movement

Hope this helps

Answer;

B) The boycott started a massive nonviolent movement.

Explanation;

-The Montgomery Bus Boycott was a civil-rights protest during which African Americans refused to ride city buses in Montgomery, Alabama, to protest segregated seating.

-The mass protest against the bus system of Montgomery, Alabama, by civil rights activists and their supporters that led to a 1956 Supreme Court decision declaring that Montgomery’s segregation laws on buses were unconstitutional.

Where does gas exchange take place in the respiratory system, and between what structures?

Answers

The gas exchange take place in the lungs where carbon dioxide and oxygen diffuse across alveoli (which are attached to every bronchial tubes) and tiny capillaries surrounding them.

Final answer:

Gas exchange in the respiratory system occurs in the alveoli, which are small air sacs located in the lungs. Oxygen diffuses from the alveoli to the capillaries, while carbon dioxide diffuses from the capillaries to the alveoli.

Explanation:

Gas exchange in the respiratory system takes place in the alveoli, which are small air sacs located at the ends of the respiratory bronchioles. These structures are found within the lungs. The alveoli are surrounded by capillaries, which are tiny blood vessels.

When we breathe in, oxygen from the air enters the alveoli and diffuses across the thin walls of the alveoli and capillaries. At the same time, carbon dioxide, a waste product, diffuses from the capillaries into the alveoli to be removed when we exhale.

So, the gas exchange occurs between the alveoli and the capillaries surrounding them.

Learn more about Respiratory System here:

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Which statement does not describe a human cell?a) has a nucleus with thousands of different genes
b) has specific active genes in response to environment
c) transcribes bacterial and human DNA
d) transcribes certain genes at certain times

***please provide explanation if possible

Answers

C - it doesn't transcribe bacterial DNA, simply because it's a human cell and not a bacteria cell

Which is the site of the most ATP production during cellular respiration?nucleus
mitochondria
cytoplasm
chloroplasts

Answers

The correct answer is the mitochondria because the mitochondria produces most energy and energy is actually ATP. This is why the basic definition of the mitochondria is "Mitochondria is the powerhouse of the cell", because it's simple and easy to memorize forever, and it has even become like a joke among people.

Answer: Mitochondria

Explanation: Because the mitochondria produces most energy and energy is actually ATP. This is why the basic definition of the mitochondria is "Mitochondria is the powerhouse of the cell", because it's simple and easy to memorize forever, and it has even become like a joke among people.

piper touches a block of ice and she feels that it is very cold. how does she feel the sensation of the cold?

Answers

Answer:

By the helps of sensation that he felt because of the presence of nerve endings on the tip of finger. Explanation: Finger tips contains nerve endings at the tip of every finger which sense the stimuli that is provided to the finger

Explanation:

She felt the sensation because in her skin, there is a bunch of nerve cells that carry messages and sensations from that part of the body, to the brain. Cold is a sensation that the nerves detect

Which term describes the chromosomal abnormality of having extra chromosomes?

Answers

The term is polysomy. The prefix "poly-" means many and "somy" has to do with chromosomes. So, polysomy means that there is an extra chromosome. This abnormality occurs not only in humans, but also in plants, fungi, etc.

Answer:

polysomy.

Explanation:

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