a.
7. Which of the following processes DOES NOT produce new genetic combinations?
crossing over during meiosis
b. fertilization in sexually-reproducing organisms
c. independent assortment in gamete production
d. replication of DNA in mitosis

Answers

Answer 1
Answer: D. Replication of DNA in mitosis

Explanation: Replication of DNA is creating another exact copy of DNA. This does not produce any new genetic combinations since it’s just another exact copy.
Answer 2

Replication of DNA in mitosis does not produce new genetic combinations. The correct option is d.

In mitosis, DNA replication does not result in novel genetic combinations. Somatic cells go through a process called mitosis, which produces two identical daughter cells with the same genetic makeup as the parent cell.

The DNA is properly duplicated during mitosis while keeping the same genetic sequence. Therefore, during this procedure, no new genetic combinations or variants are introduced.

The other processes, including crossing over during meiosis, fertilisation in sexually reproducing organisms, and independent assortment in gamete formation, all help to produce novel genetic combinations by recombining genetic material.

Thus, the correct option is d.

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Related Questions

cohesin
centromere
TATU
copying of DNA
chromosome
condensation
chromosome
separation
A
B
C
D
In the image above, what lettered section(s) represents 1 chromosome with 2 sister chromatids?

Answers

Answer:

C

I inserted an image for reference.

Answer:

D

Explanation:

khan

write a constructed response on the immune system

Answers

Answer:

An immune response is a reaction which occurs within an organism for the purpose of defending against foreign invaders. The first contact that an organism has with a particular antigen will result in the production of effector T and B cells which are activated cells that defend against the pathogen.

Explanation:

which one of these (food chain or food web) tells us more about the entire ecosystem?

Answers

Answer:

cant see the food chain so i cant really help

Explanation:

A cell with 82% water is placed in a solution with 25% water. The water flows out of the cell, and the cell shrinks in size.
What describes this process, and is energy needed?
A)
Passive Transport and Energy is Needed
B)
Osmosis and No Energy Needed
Diffusion and No Energy Needed
D)
Active Transport and Energy is Needed

Answers

Answer:

C. Diffusion and No Energy Needed

Explanation:

The water transported from low concentration to high concentration, it is called water diffusion.

The transportation (diffusion) will continue until the the concentration is equal inside and outside of the cell.

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Unicellular organisms have multiple levels of organization while multicellular organisms have no levels of organization.


A: True B: False

Answers

Answer:

B: False

Explanation:

Unicellular organisms do not have levels of organization.

Multicellular organisms have multiple levels of organization.

where is pryuvate made in the cell

Answers

In the cytoplasm of a cell!

What is the function of the pancreas?
A. Controls menstrual cycle
B. Causes sperm formation
C. Releases insulin
D. Regulates pituitary gland

Answers

C releases insulin and glucagon which regulates levels of blood sugar

What Molecules are involved in a Nitrogen Cycle?

Answers

Answer:

The nitrogen cycle represents one of the most important nutrient cycles found in terrestrial ecosystems (Figure 9s-1). Nitrogen is used by living organisms to produce a number of complex organic molecules like amino acids , proteins , and nucleic acids .

Explanation:

The molecules which are  involved in a Nitrogen Cycle include the following:

Nitrate ions (NO3−)Ammonium ions (NH4+)Urea

Nitrogen cycle is the biogeochemical cycle which involves the conversion of

nitrogen into various forms. This helps to ensure adequate availability and

distribution of the element in the soil and in the atmosphere.

The following below are processes which ensures nitrogen distribution

FixationAmmonificationNitrificationDenitrification.

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Why are certain traits adaptations in one environment, but not in another?
A. Some environments cause more mutations than other.
B. Different environments have different abiotic conditions.
C. All environments have the same amount of competition.
D.Organisms can learn new adaptations.

Answers

Answer:

B

Explanation:

All environments have different conditions to which the organisms living in that area have to adapt to.

Help im stumped, ill give brianly thing​

Answers

A. BB, WW, BW
B. rr, Rr, RR
C. CC, SS, CS
D. TT, Tt, tt
E. BW, BB, WW

Hope this helps! These are the phenotypes for all of the questions.

If we could eliminate any disease in the North America, what would we pick if we
wanted to most reduce the number of Americans living with long-term disability?
multiple sclerosis
Alzheimer's
heart attacks
strokes

Answers

Answer:

i would say the best option to pick would be multiple sclerosis

Explanation:

A group of students placed small objects in a ripple tank and observed
the path of the water waves as they approached the obstacles. They
observed the waves bending around the objects. This phenomenon can
be observed in a harbor as waves bend around small boats. In order for
this to occur, the wavelength of the waves must be larger than the
objects they encounter.
This process is best described as –
A reflection
B refraction
С diffraction
D interference

Answers

Answer:

interference

Explanation:

If all cells in your body have the same DNA, how are they able to look so different and carry out different functions?

Answers

Because the baspar in every dna is different

I need help ASAP I'm doing finals!! Science question

Answers

Answer:

Perspiration occurs

Good luck on your final! Brainliest?

Answer:

b

Explanation:

SOMEONE PLEASE HELP ME WITH THIS

Answers

Answer:

B

beacause it also affects the body movement

If the producers in a food web were removed, which of the following changes would
most likely occur? (SB5b)

A. The populations of the remaining organisms in the food web would increase.

B. The entire food web would collapse over time.

C. The food web would depend on the decomposers for energy.

D. The consumers would begin making energy for the food web.

Answers

Answer:

B

Explanation:

Fill in the blank.

. The cranial bones of the skull are immovable, held together by collagen fibers. These joints would be classified functionally as and structurally as

Answers

Answer:it’s c step by step

Explanation:

a runner is preparing a long race. which would provide the highest level of energy for the runner?
A) minerals
B) carbohydrates
C) proteins
D) vitamins

Answers

Answer:

C Porteins

Explanation:

Protein gives the most energy

Proteins give the highest level of energy

Over the last 200 years, scientists have increased their knowledge of how to use chemicals to create medicines. What is one result of this trend?

Humans now have a longer life expectancy.
Humans are no longer at risk of serious diseases.
Medicines that use chemicals no longer have side effects.
Medicines that use chemicals are now less powerful. GIVING BRAINLIEST

Answers

Answer:

A. Humans have a longer life expectancy

Explanation:

Took the quiz

Cancer is the uncontrolled growth of cells. Which of the following would be most likely to cause
cancer?
Group of answer choices

Mutations in regulatory proteins during the cell cycle may cause affected cells to divide uncontrollably.

Cells, which come in contact with cancerous cells, become cancerous themselves.

A bacterial infection modifies a cell, causing it to grow out of control.

During the synthesis stage, crossing over will cause cells to divide without inhibition

Answers

Answer:

Mutations in regulatory proteins during the cell cycle may cause affected cells to divide uncontrollably

Explanation:

Cancer is the uncontrolled growth of cells.

Which of the statements are correct?

Mutations in regulatory proteins during the cell cycle may cause affected cells to divide uncontrollably.

What proteins regulate the cell cycle?

There are some proteins that regulate the cell cycle that includes:

cyclinscyclin-dependent kinases (Cdks)What is cancer?

An unregulated division of abnormal cells in an area of the body causes a disease.

What are the types of cancer?

They are of 4 types:

CarcinomasSarcomasLeukemiasLymphomas

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In eukaryotic cells, genes each have a specific combination of regulatory DNA sequences. How do these combinations help cells carry out specialized jobs?

Answers

Answer: This helps cells by the DNA telling what the cell to do based on the sequence.

Explanation:

In eukaryotic cells, genes each have a specific combination of regulatory DNA sequences. This helps cells by the DNA telling what the cell to do based on the sequence

Eukaryotic CellsEukaryotes are organisms with a nucleus encased within a nuclear envelope in their cells.Eukaryotic cells are characterized as cells with a well-organized nucleus and organelles that are encased in membranes.In eukaryotic cells, genes each have a specific combination of regulatory DNA sequences. This helps cells by the DNA telling what the cell to do based on the sequence.

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dev, s blood report suggest that the X components in his blood has significant increase because he is suffering from an infection disease. Identify X.​

Answers

Answer:

The X components of Dev's blood, which increase significantly with infectious disease, are leukocytes.

Explanation:

Leukocytes, also called white blood cells, are the cellular components of the blood that are responsible for the body's defenses and protection.

When a pathogen —usually a bacterium— enters the body, an infectious disease occurs. In response to an infection, white blood cells increase in number in order to fight the infection.

This is why the X component of Dev's blood, leukocytes, increases significantly when Dev has an infectious disease.

7. What are the three parts of Chargaff's Rule?

plz help!!

Answers

Answer:

Chargaff rule: The rule that in DNA there is always equality in quantity between the bases A and T and between the bases G and C. (A is adenine, T is thymine, G is guanine, and C is cytosine.)

Explanation:

what happens during digestion?

Answers

Answer:

During digestion, muscles push food from the upper part of your stomach to the lower part.

11) The following diagram represents the central dogma of molecular biology.

a) Consider a fragment of DNA with the following sequence of bases: GTAGCCTAG. What will be the mRNA sequence transcribed from this DNA? Which three amino acids would the codons code for? b) Will the same protein obtained from the mRNA of mRNA from the complementary strand of the DNA be the same? Explain
c) The anticodon found on the tRNA the carries the amino acids valine is CAC. What would be the corresponding sequences of bases in the mRNA and on the DNA?
d) Considering the fact that the total of nitrogenous bases of DNA in a mammal is equal to 100, if there are 20% for adenine in it, what is the percentage of guanine? Explain
e) Compare and contrast the structure of DNA and RNA. Explain the structure of a nucleotide. f) Enzymes are proteins that act biological catalysts by speeding up chemical reactions that take place in cells. How can a frameshift mutation affect an enzyme?
g) How was the fact that genetic code is universal fundamental for the development of transgenic organisms?

Answers

Answer:

d

Explanation:

2. Which statement best describes the cell membrane? *
O a long chain of carbohydrates.
two long chains of carbohydrates with protein channels.
O two layers of lipids with protein channels.
three layers of lipids with protein channels.

HELP FAST! 30 POINTS

Answers

answer: The third point

Guys pls help !!!!!!!

Answers

Answer:

B. Insulin

Explanation:

Insulin controls blood sugar

7.
Choose the best answer.

The growth of embryos in the womb that mimics its evolutionary family history is known as _____.
genetic drift
natural selection
evolution
Recapitulation Theory

Answers

Answer:

Explanation:

 

Answer:

evolution

Explanation:

Which part of a flower becomes a fruit?
A.the anther
B.the ovary
C.the stigma
D.the pistil

Answers

Explanation:

Anther is where the pollen is released. It drops off from the flower after fertilization.

The stigma is where the pollen falls onto to move down through the pistil towards the ovary to fertilize the ovules.

Both the stigma and pistil drop off after fertilization. Only the ovary and ovules remain, where the ovary becomes the fruit and the ovules become the seeds. (B)

B:the pistil :):):)):):):):):):):)):):):):)):):):):):):):)):):):):)):):):):):):):)):););):):);)

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Question. Do you think China's one child policy was justified? What alternatives, if any, do you think would have been preferable? Did the policy reduce the impacts of human activity on the environment and if so how? ​

Answers

Answer:

Based on overpopulation, the one-child policy did reduce the amount of offspring, however, it did not account for the preference of males by Chinese parents. The policy was partially justifiable for overpopulation, as the alternative would be to make having children incredibly expensive, to deter anyone from wanting children. The policy did not show large signs of reduction on the impacts of human activity on the environment, however, it did provide less competition in the job market.

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