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Probability

The probability of a certain event is a number expressing the likelihood that a specific event will occur, expressed as the ratio of the number of actual occurrences to the number of possible occurrences. In mathematics, it is a measure of how often an event will happen and is the basis of statistics.

14,643 Questions

AaBbCcDdEe x AaBbCcDdEe. What is the probability that the this cross will produce an organism homozygous recessive for all 5 traits?

Each set of genes is an independent event. Each probability of aa, bb, etc. is 1/4. So the probability of aabbccddee is (1/4)5 = 1/1024

What is the probability that a rolled dot cube will stop with exactly two dots on top?

One out of six.

Note that this question is easier to think of if you use a more familiar name for the object, e.g. a "rolled die", not a "rolled dot cube". Many textbook publishers use the phrases "dot cube" or "number cube" to avoid associating the material with gaming, though the question becomes more intuitive when written "what is the probability that you will roll a 2 on a normal 6-sided die?"

What are the chances of life occurring in the universe?

The chances (the probability) of life occurring in the universe is 1. We are alive, therefore life has occurred in the universe.

There is also a 99.999999999% certainty that life exists elsewhere in the universe, because there are roughly dozens of planets in billions of solar systems in billions of galaxies.

Does twin telepathy happen in identcal twins more then fretenal twins?

There is no scientific evidence to support the concept of twin telepathy. Identical twins may share a closer bond due to their genetic similarity, but telepathy, which involves communication without physical senses, has not been proven to occur more frequently in identical twins compared to fraternal twins or any other siblings.

What is the probability that the children will be heterozygous?

Being born with six fingers is actually a dominant trait and the probability of the children would be 75% with six

fingers and 25% with five fingers if both parents were heterozygous for that trait. If both parents were homozygous dominant for that trait then there is a 100% probability of the children being born with six fingers.

What is the probability of being killed by a hurricane?

Very close to 0.

The majority of the world's population does not live in hurricane zones and so for them the probability is 0. For the small part of the world's population who do live in the zone, the mortality rate is low and so the overall probability is extremely low.

Will it snow on Monday?

Although meant to be frivolous, questions such that (or will it rain, shine, blow and the like), from a probabilistic point of view, can always be answered: yes. While it might not snow (or manifest other weather events) where one is located, it is veritably certain to do so somewhere on Earth . . . or off of Earth.

So, to answer your question, yes. Now, what will you do about it?

What event occurs in G1?

The cell cycle comprises of several phases: G0, G1, S, G2, and M. At all phases, there are checkpoints to regulate cell proliferation. G0 is the resting phase. G1 and G2 are gap phases before mitosis. In G1, amino-acids and enzymes required for DNA replication are mobilized. At the G2 checkpoint, the cellâ??s readiness for mitosis is confirmed.

What practice would probably NOT reduce the greenhouse effect?

Continuing to drive petrol and diesel engined behicles; burning car tyres, burning anything organic which produced carbon dioxide, continuing as we have been doing and putting ourselves before all other species and the health of the planetary ecosystem.

How the natural events occur?

Natural events occur due to various physical processes in nature such as plate tectonics, weather patterns, and the water cycle. These processes are driven by forces like gravity, heat from the sun, and the Earth's internal heat. Natural events like earthquakes, hurricanes, and volcanic eruptions are a result of these processes interacting with each other in complex ways.

Where are the SAFE locations to live if a catastrophic event occurs in 2012?

It is essential to prioritize living in areas with robust infrastructure, access to resources, and a strong community network. Consider regions less prone to natural disasters and with sustainable resources. Be prepared by having an emergency plan in place regardless of your location.

The probability of an earthquake high in Parkfield San Andreas fault?

The probability of a significant earthquake (magnitude 6.0 or higher) occurring on the Parkfield section of the San Andreas Fault is estimated to be about 70% within the next 30 years. This area is known as the "earthquake capital of California" due to its frequent seismic activity. Preparedness and early warning systems are in place to mitigate potential risks associated with earthquakes in this region.

What is the phenotypic ratio for a F1 cross?

The phenotypic ratio for a monohybrid cross in the F1 generation is typically 3:1. This means that three-quarters of the offspring will exhibit one phenotype, while one-quarter will exhibit a different phenotype. This ratio is based on Mendelian inheritance patterns.

How would you explain the outliers in chemistry?

In chemistry, outliers are data points that deviate significantly from the rest of the data set. Outliers can result from measurement errors, experimental uncertainties, or unexpected reactions. It is important to identify and address outliers in data analysis to ensure accurate and reliable results.

Calculate the probability that an offspring will be black in the cross in punnet square b what is the probability it will be white?

In a monohybrid cross with black as dominant (B) and white as recessive (b), the probability of an offspring being black is 75% (3/4) and the probability of being white is 25% (1/4) according to the Punnett square ratios.

Is marble breakable?

Yes, marble is breakable. While it is a durable and aesthetically pleasing material, it can still break or chip if subjected to enough force or pressure. It is important to handle marble items with care to prevent damage.

How many times does head and A tail if you flip a coin?

This is a Probability question

P(head) = 1/2 = 0.5

P(tail) = 1/2 = 0.5

Reason . when flippimng a coin it can only come down on one of two sides, viz, the head side or the tail side.

How do meteorologists use probability?

Meteorologists use probability to communicate the likelihood of certain weather events occurring, such as rain or thunderstorms. By providing a probability percentage, they can convey the level of confidence in their forecasts to the public. This helps people make informed decisions based on the potential risk of various weather scenarios.

What is the probability of drawing an ace or a diamond?

In a standard 52 card deck, the probability of drawing an ace is 1/13, and the probability of drawing a diamond is 1/4. The probability of drawing both an ace and a diamond is 1/52.

Thus the probability of drawing an ace or a diamond is

1/13 + 1/4 - 1/52 = 4/13 or about .308.

If a homozygous dominant is crossed with a homozygous recessive for a given trait the offspring will be?

The phenotype will show the dominant trait. All dominant traits mask recessive ones; If the genotype is heterozygous (One dominant and one recessive) the organism's phenotype will be dominant.

The use of clues to suggest events that have yet to occur?

Foreshadowing is a literary technique where subtle hints are dropped about future events in a story. This technique can create suspense, build anticipation, and add depth to the plot by allowing readers to make connections between past and future events. Writers use foreshadowing to enhance the overall narrative and keep readers engaged.

What is probable central pontine demyleination?

Central pontine myelinolysis (CPM) is a demyelinating disorder that affects the central part of the brainstem, called the pons. It is often caused by a rapid shift in serum sodium levels, leading to damage of the myelin sheath that covers nerve fibers. This condition can result in a variety of neurological symptoms, including muscle weakness, difficulty speaking, and impaired coordination.

Explain why the spectrum consists of a series of discrete lines?

e- absorb energy and move to an orbital of higher energy. Falls back down to lower energylevels

releasing the energy. The lines result from the fact that e-'s can only have discrete/quantized energy

levels, they cannot have intermediate energy levels.