All human body cells contain 46 chromosomes. However, sperm cells in men and egg cells in women have only 23 chromosomes. This is due to meiosis. How does meiosis accomplish the reduction in chromosomal number?

Answers

Answer 1

Answer:

Two cell divisions after DNA replication

Explanation:

After the DNA is replicated, the cell undergoes two rounds of meiosis to produce 4 cells, each wIth 23 chromosomes. This is how the cell goes from a diploid to a haploid state.


Related Questions

Identify the product of genetic engineering.
A.
inserting a spider’s silk gene in a goat’s DNA to weave silk threads
B.
choosing livestock for mating to pass on their genes for being large to offspring
C.
intentionally pollinating two strawberry plants that produced sweet berries
D.
fishing for large fish, leaving small fish to pass on their genes to offspring
Thank you!!! :)

Answers

Answer:

A. Inserting a spider's silk gene in a goat's DNA to weave silk threads.

Explanation:

8. Write down the definition for the term "cross section” ?

Answers

I highly believe that cross section is either a shape or surface that would be exposed by a cut through something.

A feral cat needs to eat two mice a day to survive. A mouse needs to eat 5 seeds a day to survive. How many seeds are required to feed a feral cat for a week (7 days)?​

Answers

Answer:

70 seeds

Explanation

5 is the food for a mouse  (day)x2 mice for cat=10. 10x7(week)=70 seeds

hope this helps!

Why do humans want/need to know the populations of different species in the world?

Answers

Answer:does this question have answer choices?

Explanation:

What is anaerobic respiration?

Answers

Answer:Anaerobic respiration is respiration using electron acceptors other than molecular oxygen. Although oxygen is not the final electron acceptor, the process still uses a respiratory electron transport chain.

Explanation:hope this helps

3. Draw a circle on a flat surface. Look at it from the side. What do
you think you'll see?

circle

egg shape

ellipse

bean shape
4. Which of the following
would you be able to use to make a specific ellipse?

lengths of major and minor axes

positions of the two foci

positions of the two foci and the center

the circumference and center

Answers

We will see an ellipse when we see a circle drawn on the flat surface from the side

What happens when an egg is fried? A. The egg changes from a liquid to a solid as it reaches its freezing point. B. Air combines with the egg, forming a mixture. C. Heat causes the substances in the egg to change into new substances. D. The egg dissolves in the oil, forming a thick solution.​

Answers

Answer:

C. heat cause the substances in the egg to change into a new substance.

Explanation:

the longer you heat the protein and the higher the temperature, the tighter the protein will bond to each other.

Answer:

C.Heat causes the substances in the egg to change into a new substances

Explanation:

This is a Chemicals change , chemicals change , chemicals changes occur when a substance combined with another to form a new substance , called chemicals synthesis or , alternatively , chemicals decomposition into two or more different substances these processes are called chemicals reactions and . in general . are not reversible except by further chemical reactions

What molecule does the carbon from carbon dioxide get stored as in photosynthesis?

Answers

During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. These sugar molecules are the basis for more complex molecules made by the photosynthetic cell, such as glucose.

Question 45 (1 point)
(DOK 2) The role of the pancreas in the human body is to make insulin to prevent
individuals from developing diabetes. Sue goes to visit the doctor and the doctor
reports that her pancreas is indeed producing proteins necessary to create insulin
but the proteins are not being delivered to the correct location in the cell, to trigger
the release of the insulin. Which organelle is responsible{for this lack of homeostasis?
vacuole
golgi bodies
nucleus
Endoplasmic reticulum

Answers

I believe the Endoplasmic reticulum since it is responsible for protein transport

The organelle here that is responsible for delivering the protein to correct location is Golgi bodies. The correct option is B.

What are Golgi bodies?

The Golgi apparatus is an organelle located in almost all eukaryotic cells. It is also referred to as the Golgi complex, Golgi body, or the Golgi.

It is a mandatory part of the cytoplasmic endomembrane system which aids in packaging of proteins into membrane-bound vesicles as they are transported to their destination.

The packaging and transportation of materials would cease if the Golgi apparatus was not present.

Various substances, such as sugar monomers, would be unable to be converted into usable forms. The cell's secretory activities would also cease to exist.

In the given scenario, as Sue's  pancreas is indeed producing proteins necessary to create insulin but the proteins are not being delivered to the correct location in the cell, to trigger the release of the insulin.

This shows that she is not able to transport the insulin due to some problems with the Golgi apparatus.

Thus, the correct option is B.

For more details regarding Golgi bodies, visit:

https://brainly.com/question/13274076

#SPJ2

Which of the following best describes an atom?
Protons, neutrons, and electrons all grouped together in the center.
O
A core of negatively and positively charged particles surrounded by neutral particles...
A.core of positive and neutral particles surrounded by negative particles.
A core of electrons and neutrons surrounded by protons

Answers

Explanation:

A.core of positive and neutral particles surrounded by negative particles.

Answer:1st one

Explanation:

Its protons,neutrons,and electrons all grouped togrther in the center. O

Which of the following presents the best argument as to the role of the cow in this cycle?

Answers

Answer:

Cow dung helps in balancing the environment and kills germs

Explanation:

Cow dung is used for fertility of the soil. It is also used for the control of pest in the plants. When heated cow dung can be used to cook food where there are lack of wood available. Also when it is heated it releases the gases which kills germs present in the air.

Answer:

The cow eats plants and produces carbon dioxide through cellular respiration. The plants, which gain energy from the sun, then take carbon dioxide from the atmosphere and use it in photosynthesis.

Explanation:

I did the test

please help asap⚠️⚠️ i will mark brainliest

Answers

I can’t clearly see the picture

Answer: here’s a pic. hope this helps ya :)

Explanation:

Acids have a pH value of
Group of answer choices

greater than 7

less than 7

1 to 14

7

Answers

Greater than 7 because I have on my test not worry

prokaroytic and eukarayotic cells

Answers

Answer:

A prokaryote is a cellular organism that lacks an envelope-enclosed nucleus. The word prokaryote comes from the Greek πρό and κάρυον. In the two-empire system arising from the work of Édouard Chatton, prokaryotes were classified within the empire Prokaryota.Eukaryotic cells are cells that contain a nucleus and organelles, and are enclosed by a plasma membrane. Organisms that have eukaryotic cells include protozoa, fungi, plants and animals. These organisms are grouped into the biological domain Eukaryota.

Explanation:

Where in the world would you find a continental climate?

Answers

Answer:

It is found between 30° and 60° N in central and eastern North America and Asia in the major zone of conflict between polar and tropical air masses.

Explanation:i  hope im right

What two things must exist for an electric current to be produced?

Answers

Answer:

A supply of electric charges (electrons) which are free to flow, some form of push to move the charges through the circuit and a pathway to carry the charges.

Explanation:

Answer:

An electric potential between two bodies and a conducting path joining the bodies.

Explanation:

For an electric current to be produced, there must be an electric potential between two bodies and a conducting path joining the bodies. Two oppositely charged bodies won't produce a current unless there's a conduction path for the electrons to travel through.

PF

each of my nucleotides includes a phosphate sugar and base am i dna or rna

Answers

Nucleotides are defined as the building blocks of DNA and RNA. These are the genetic material found in every living cell. The nucleotides are made up of sugar, a phosphate group, and nitrogenous bases.

The molecules like DNA and RNA have some of the building blocks same. The pentose sugar and nitrogenous bases. The molecule when composed of sugar molecules and nitrogenous bases are termed as a nucleoside.

The addition of the phosphate group to a nucleoside forms the nucleotide.

RNA is composed of nitrogenous bases (adenine, cytosine, uracil, and guanaine), pentose sugar (ribose), and a phosphate group.

DNA is composed of nitrogenous bases (adenine, cytosine, thymine, and guanaine), pentose sugar (deoxyribose), and a phosphate group.

Thus, DNA and RNA are nucleosides consisting of nitrogenous bases (purines and pyrimidines) and sugar groups.

Therefore, the correct answer is the molecule can be DNA or RNA.

To know more about DNA and RNA, refer to the following link:

https://brainly.com/question/16308848

The table compares prokaryotes, plant cells, and animal cells
Complete the table.
Present
Absent
Structure
Prokaryotes
Plant cell
Animal cell
Nucleus
Present
Cell Wall
Absent
Mitochondria
Absent
Chloroplasts
Absent

Answers

Answer:

Structure Cell 1 Cell 2

DNA Located in cytoplasm Located in nucleus

Cell membrane Present            Present

Cell wall                 Present            Absent

Mitochondria         Absent            Present

Ribosomes         Present           Present

Explanation:

Answer:

Nucleus : Absent Present Present

Cell Wall: Present Present Absent

Mitochondria: Absent Present Present

Chloroplasts: Absent Present Absent

Hope This Helps

- Greg

What would be the complementary strand to ATC GTT ACG?

Answers

The Answer is: TAGCAATGC
TNT and dynamite is what I would go with hope this helps

True or False. Signals pass through transducers in your television.
1. True
2. False

Answers

Answer:

false

Explanation:

they pass through the wifi the the spectrum ot AT&T box, of if you have a dish in the roof

Answer:

True

Explanation:

Which choice names part of the lithosphere?


A. outer core


B. crust and outer part of the mantle


C. all of the mantle


D. inner core

Answers

The correct answer would be B, because the crust is made of rock, and the outer part of the mantle is connected to the crust, therefore having some rocks there also.

The lithosphere is defined as the outermost rocky layer of the Earth. The lithosphere can be explained by the example of the Rocky Mountain Ranges in North America.

The correct answer is:

Option B. crust and outer part of the mantle

The lithosphere is composed of the brittle and outer rocky portion of the mantle and the crust.

The is bounded by the atmosphere above and the asthenosphere. The rocks of the lithosphere are considered elastic. The outer part of the mantle or lithosphere is very important because the biosphere inhabit and lives upon it.

Therefore, option B is correct.

To know more about the lithosphere, refer to the following link:

https://brainly.com/question/3101133

Where is carbon stored in the environment?

Answers

Answer:

Carbon is also found in the atmosphere where it's a part of carbon dioxide gas emitted when fossil fuels are burned and when living organisms breathe. It's in organic matter in the soil, and it's in rocks. But far and away the most carbon on Earth is stored in a surprising place: the ocean.

Explanation:

Answer: On Earth, most carbon is stored in rocks and sediments, while the rest is located in the ocean, atmosphere, and in living organisms. These are the reservoirs, or sinks, through which carbon cycle.

Is the following equation balanced or unbalanced?

AlBr₃ + 3K → 3KBr + Al

Answers

Answer:

Yes it is.

Explanation:

There are 3 Potassium, 1 Aluminum, and 3 Bromide atoms on the reactants and products of this single displacement equation.

which choice has prokaryotic cells? human blood, E. Coli, Cows liver , or onion root.

Answers

The answer is E. Coli
just took the test
e.coli is the answer for this question

Help Pls , Will Mark as brainliest

Answers

Type of Interaction: Parasitism
Definition: The interaction in which one benefits (the parasite), while the other is harmed (the host).
+-

Type of Interaction: Competitive
Definition: The interaction in which at least two organisms compete for the same resource. Both may be harmed in the relationship.
- -

Type of Interaction: Commensalism
Definition: One organism benefits and the other is not harmed or affected in the relationship.
+0

Type of Interaction: Predation
Definition: When one organism benefits by consuming another organism.
+-

Type of Interaction: Mutualism
Definition: Both the organisms benefit from the interaction.
++

I hoped this help! Remember to fill in the first boxes as well!

What happens to the pressure in your chest cavity when you inhale?


A.bronchi

B.alveoli

C.bronchioles

D.trachea

Answers

Bronchioles is the answer

Which component of the digestive tract includes the enzymes that begin digestion of carbohydrates.

A( bile
B( Chyme
C( saliva
D( urea

Answers

Answer:

[tex]\boxed {\tt Saliva}[/tex]

Explanation:

The digestive tract and process of digestion actually begin with the mouth. Teeth help break the food up into smaller pieces that are simpler to absorb and digest. Saliva helps moisten the food so it is easier to swallow, but it also contains an enzyme called amylase. This enzyme helps break down carbohydrates into simple sugars and begins the digestion of carbohydrates.

Therefore, the best answer choice is C. saliva.

Imagine that most of the trees are cut down and removed from the nearby
forest. What would be the most likely effect on the beaver population?
A. It would stay the same.
B. It would increase.
C. It would increase and then decrease.
D. It would decrease.

Answers

Answer:

Decrease.

Explanation:

Beavers need trees to make Dams, without Dams they'd be in danger because of other predators.

D. It would decrease

It would decreases because the beavers need the trees to build a habitat. Hope this helps, brainliest if you can thank you!

What is an hypothesis?
1.
an explanation why or how an event happens
2.
an experiment to prove a theory
3.
a fact supported by experimental data
4.
a demgn for an experiment

Answers

Answer:

it should be 1. an explanation why or how an event happens

Explanation:

When you form a hypothesis, you are forming what you think will happen if you do this. then an experiment is usually followed shortly afterwards.

1. An explanation why or how an event happens

DNA replication takes place in the (centrosome / nucleus) of a eukaryotic cell. please help :) ✨​

Answers

Explanation:

DNA replication is the process by which DNA is (copied / observed) during the cell cycle. DNA replication takes place in the (centrosome / nucleus) of a eukaryotic cell. DNA is replicated during the (M stage / S stage) of the cell cycle. ... They help unzip the DNA strand.

Mark me as brainlist..

Answer:

DNA replication takes place in the centrosome/nucleus of a eukaryotic cell. DNA is replicated during the M stage/S stage of the cell cycle. DNA replication needs to occur so that every cell/organism will have a complete set of DNA following cell division.

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