DNA base pairs are read from {{c1::5'-3'}}

From a Punnett square you can get the genotypic and phenotypic proportions of the progeny produced from a cross. Cross: PpRr x PpRr. F1: PPRR, PPRr, PPRr, PPrr, PpRr,  Pprr, ppRR,  ppRr, pprr.

The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.

Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.

In the exposed example, we know that two genes are involved in the cross.

As we can see, there are dominant and recessive alleles for both genes.

Since each genotype in the square results from the combination of parental gametes, we can figure out which are the parental genotypes.

For instance, let us consider the provided genotypes

We can assume one of the parents provided a P and a R dominant alleles, while the other parent provided another P allele but a r recessive allele.

PR + Pr ⇒ PPRr

One of the parents provided a p recessive allele and a R dominant allele, The other parent provided another p allele and a r recessive allele.

pR + pr ⇒ ppRr

Both parents provided p and r recessive alleles.

pr + pr ⇒ pprr

From this information, we can assume parents are heterozygous for both genes.

Cross:

Parentals)        PpRr        x      PpRr

Gametes) PR, Pr, pR, pr     PR, Pr, pR, pr

Punnett square)    PR           Pr          pR         pr

                   PR     PPRR     PPRr      PpRR     PpRr

                   Pr      PPRr      PPrr       PpRr      Pprr

                   pR     PpRR     PpRr      ppRR     ppRr

                   pr      PpRr      Pprr       ppRr      pprr

F1) 1/16 individuals are expected to be PPRR

   2/16 individuals are epected to be PPRr

   1/16 individuals are expected to be PPrr

   2/16 individuals are expected to be PpRR

   4/16 individuals are expected to be PpRr

   2/16 individuals are expected to be Pprr

    1/16 individuals are expected to be ppRR

    2/16 individuals are expected to be ppRr

    1/16 individuals are expected to be pprr

For a better understanding, you will find the Punnett square in the attached files representing the parental gametes with different colors, and the resulting genotypes with a combination of these colors.

In this way, you will notice which gamete comes from which parent.

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In the aquatic system heterotrophic bacteria are most abundant in Upper ocean

Heterotrophic bacteria and the photosynthetic cyanobactin- terium Synchronous are found almost everywhere in the upper ocean. In temperate waters, the annual cycle of their abundance may be quite regular. Generally, both groups are most abundant in summer and least so in winter.

Heterotrophic bacteria derive energy from organic compounds. They are widely distributed and most abundant forms. They may be aerobic or anaerobic. They are omnipresent and found in the food, soil, water. They help in recycling of natural substances.

They are mostly responsible for the decomposition of organic matter. They also live as a parasite and cause various diseases in plants, animals and humans. They are also present as a symbiont in organisms, e.g. Rhizobium in the root nodules of legumes, etc.

Bacteria are used for making curd, antibiotics, nitrogen-fixation, etc. Heterotrophic bacteria can decompose organic matter such as cellulose, keratin, lignin, chitin, etc.

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During nondisjunction, two gametes contain two sets of chromosome and two gametes does not contain any chromosome. Hence, options A and B are correct.

Meiosis is a type of cell division that results in the production of four gamete cells and a 50% reduction in the number of chromosomes in the parent cell. To develop egg and sperm cells for sexual reproduction, this process is necessary.

Cells move through prophase, metaphase, anaphase, and telophase with each round of division.

During nondisjunction, two gametes contain two sets of chromosome and two gametes does not contain any chromosome. Hence, options A and B are correct.

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Answer:

B) Golgi body

Explanation:

Golgi body is a sub cellular structure that is involved in modifying, synthesizing, packaging and delivering proteins.

Messenger RNA (mRNA) is transcribed from DNA molecules during the process of transcription.

Transcription occurs in the nucleus of eukaryotic cells and involves the synthesis of mRNA from a DNA template. RNA polymerase enzymes bind to a specific region of DNA called the promoter, which is located upstream of the gene that will be transcribed. The RNA polymerase then unwinds the DNA double helix and synthesizes a complementary RNA molecule from the template strand.

The mRNA molecule is formed by the sequential addition of nucleotides, which are complementary to the nucleotides of the DNA template. Once the mRNA molecule is synthesized, it is processed and exported from the nucleus to the cytoplasm where it can be translated into protein.

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Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as homeostatic mechanisms.

Homeostasis is the body's ability to maintain a stable internal environment despite external changes.

In the context of the brain, homeostatic mechanisms involve various processes that regulate physiological functions and maintain optimal levels of essential substances.

These mechanisms can include feedback loops that detect imbalances and initiate corrective actions.

For example, if there is a deficiency in a particular nutrient or hormone, the brain may activate mechanisms to increase its production, decrease its consumption, or enhance its absorption from the environment.

Homeostatic mechanisms play a crucial role in ensuring the body's overall stability and functioning, helping to maintain proper levels of various substances and promoting overall well-being.

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Answer:

Creativity is most important . It develop in every stage of life. I t could be consistent when it get stable.

Explanation:

We could not count consistency as everything but it is counted for a lot. Creativity is more important at every stage when you grow up . The creative mind play role as a machinery. Consistent means you are not doing anything, you are constant.

As we can say that process is more important. When you are consistently working you are learning something new. So that when you are thinking about something too much then you wont do it. Creativity is rooted in the culture of an individual. Creativity is bounded with culture. It consists the dynamic thought. Creativity can no any exception.

The process of generating and testing a hypothesis forms the backbone of the scientific method. When an idea has been confirmed over many experiments, it can be called a scientific theory.

Answer:

Erosion wears material away, and

deposition resettles it.

Answer : (A) "It reflects waves off of objects, measuring the difference of the waves it sends and receives".

Explanation :

In Doppler radar system, radio waves emitted from an antenna. It gives information about the motion of targets and their position.

Phase change between a transmitted wave and received echo is calculated using Doppler radar system.

It also gives radial velocity i.e. velocity in the direction of radar. If the phase shift is positive this means the motion is toward the radar and if the phase is negative this implies the motion is away from the radar.

So, the correct option is (A) "It reflects waves off of objects, measuring the difference of the waves it sends and receives".

Answer:

The marble

Explanation:

That the smaller the object is the stronger it falls the more damage it makes or the deeper it falls

Please can I have brainliest

Answer:

A,C,D

Explanation:

Pretty much just A

Answer: aneuploidy

A gain or loss in the number of chromosomes from the normal 46 is called aneuploidy. A common form of aneuploidy is trisomy, or the presence of an extra chromosome in cells. "Tri-" is Greek for "three"; people with trisomy have three copies of a particular chromosome in cells instead of the normal two copies.

Answer: During lysogeny, the prophage will persist in the host chromosome until induction, which results in the excision of the viral genome from the host chromosome.

Explanation:

hope this helps!

Answer:

36 to 48 hours or more

Answer: I think that it would be a primary consumer that is food for the lizard and the hawk.

Explanation:

There are two predators in the food chain that eat the grasshopper. I'm sorry if I am wrong.

Answer: "A primary consumer that is food for the lizard and hawk"

Answer:

DNA

Explanation:

The energetic cost of converting lactate back to glucose per molecule of glucose generated is 6 ATPs.

Lactate is produced by anaerobic respiration in muscles when oxygen demand exceeds supply, causing fatigue. The liver converts the lactate back to glucose, which muscles can utilize for further energy production. There are two main pathways that produce ATP in human cells: aerobic respiration (requiring oxygen) and anaerobic respiration (not requiring oxygen).

During anaerobic respiration, energy is obtained from glucose without the use of oxygen. As a result of anaerobic metabolism, red blood cells generate lactate. Red blood cells are the only mammalian cells that lack mitochondria and consequently depend solely on anaerobic metabolism for energy production. This reliance on anaerobic metabolism has significant consequences, with lactate being continually produced as a byproduct.

The liver is responsible for converting lactate back to glucose in a process known as gluconeogenesis. It is an ATP-intensive process that consumes 6 ATP molecules per molecule of glucose generated, according to research.

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The population of cactus finches would decrease because there would be less food available. Since the only source of food for cactus finches is cactus flowers, a disease that kills a large portion of the cacti on the Galapagos Islands would result in less food for the cactus finches.

As a result, the population of cactus finches would decrease because there would be less food available for each individual, leading to more competition for the remaining food resources. The decrease in the population size would be due to a decrease in the carrying capacity of the environment, which is determined by the availability of resources.

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Troponin is a regulatory protein found in muscle cells that plays a crucial role in muscle contraction. It consists of three subunits: troponin C, troponin I, and troponin T.

Troponin C is the calcium-binding subunit of troponin, which binds to calcium ions when they are released into the muscle cell upon stimulation. This calcium-binding causes a conformational change in the troponin complex that allows for the interaction between myosin and actin, leading to muscle contraction.

Troponin I, on the other hand, binds to actin and inhibits its interaction with myosin, preventing contraction in the absence of calcium.

Finally, troponin T binds to tropomyosin, helping to stabilize the entire troponin-tropomyosin complex on the actin filament, further regulating muscle contraction.

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Answer:

TAAGCTTAGCCCCATGAT

Explanation:

A - T

T - A

C - G

G - C

Answer:

713.49 written in standard form​ is Seven hundred thirteen point forty-nine.

Explanation:

Have good day -._.-

A cell can only respond to signals from other cells, not from the physical environment. receptor activation. The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on: the presence of the appropriate receptors on the cells of the target tissue or organ.

Answer:

by consuming other organisms to aquire the energy that needed

On average, the amount of skin on the body weighs about 8 pounds or 15% of body weight. This weight can vary based on an individual's size and overall health. Skin covers the entire body and is the largest organ, with an average surface area of about 20 square feet.

The skin serves several essential functions, including protecting the body from external factors such as UV radiation, regulating body temperature, and providing a sense of touch. The skin is made up of several layers, including the epidermis, dermis, and subcutaneous tissue. The epidermis is the outermost layer of the skin and serves as a barrier to protect the body from the environment. The dermis is the middle layer of the skin and contains hair follicles, sweat glands, and nerve endings. The subcutaneous tissue is the deepest layer of the skin and is responsible for regulating body temperature.It is essential to take care of the skin to maintain its health and function. This includes keeping the skin clean and moisturized, protecting it from the sun, and avoiding harmful substances such as tobacco and excessive alcohol. Good nutrition and hydration are also essential for healthy skin. If you have concerns about your skin or notice any changes, it is important to seek medical attention from a dermatologist.

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im hispanic but put it in english and then i could help you for sure i promise ill edit my answer and everything solo pongalo en ingles por favor

Answer: I would say 500 kcal

I’m not 100% sure though

Please comment if it’s right!

Answer:

A. 500 kcal

Explanation:

every cunsumer it passes it losses a zero

50,000 flower

5,000 butterfly

500 lizard