Given what we know, we can confirm that the couple in question has a 50% chance that their next child will be a girl.
Why are the odds 1/2 ?This has to do with the fact that each child that the couple has is an independent event. While it is true that it is unlikely for the same event to occur many times in succession, the previous events do not influence the outcome of the next child.
Therefore, given that a child can be either male or female when born, the couple in question has a perfect 50% chance for their next child to be a girl.
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The allele for freckles is dominant. A person who is hybrid for freckles must 1 point
have inherited the freckles allele from
a. Both parents
b. One parent
c. The father
3. The mother
Answer:
one parent
Explanation:
the one dominant trait will make the ratio 2:4 hope this helps
what property of the atmosphere most determines whether pollutants get blown away or become trapped locally
Stability is the property of the atmosphere that most determines whether pollutants get blown away or become trapped locally.
What is a pollutant?A pollutant is any type of contaminant substance and/or material that is found in the air, water or soil.
In the air, the main pollutant is carbon monoxide, which is a highly toxic contaminant substance.
This substance (carbon monoxide) can cause serious harm to the health of humans and animals.
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If your small intestine was unwound how long would it be:.
Answer:
The length of the small intestine can vary between about 10 feet (3 meters) to over 16 feet (5 meters). For comparison, a standard basketball hoop is 10 feet tall. The different sections of the small intestine are also different lengths. The ileum is the longest section while the duodenum is the shortest.
Explanation:
According to healthline this is your answer :D
Why are some body cells responsive to a particular hormone, whereas others are not?.
Answer:
Why are some body cells responsive to a particular hormone, whereas others are not?
Responsive cells express a specific receptor for the hormone.
Explanation:
9.
Which species is the most recently evolved?
3
4
H
А
Answer:
You need to put the species... I can't figure it out if there's just random numbers and letters...
Explanation:
Rock pocket mice are rodents native to the southwest. Normally, the rock pocket mice are tan colored rodents living in the sandy environment of the west. However, a mutation introduced an allele for dark fur. Scientists are now studying the populations of tan pocket mice living in the sandy environment along with the mutant black mice thriving on dark lava rock from an old lava flow. The rock pocket mice are living examples of evolution occurring today. Which of these statements DOES NOT support that idea?
A) Organisms develop mutations to help them survive.
B) Mutations that increase the fitness of an organism increase in frequency in a population.
C) The selection pressure can be different depending on the particular environment.
D) A mutation is a random change to an organism's DNA sequence
The statement does not support the idea "A mutation is a random chance to an organism's DNA sequence." This is further explained below.
What is a Rock pocket mice?Generally, this mouse is known for its avoidance of owls, it consumes mostly plant seeds and digs little tunnels in the dirt near or beneath rocks.
In conclusion, The visual predator favored the tan mice on the dark rock. Hence, A mutation is a not random change to an organism's DNA sequence.
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Answer:
Organisms develop mutations to help them survive.
Explanation:
I took the test.
Imagine you accidentally knocked a vase off a table and onto the floor. Describe the forces that would act on the vase before and during its fall!
The forces which acts on the vase before the fall include:
Force exerted by the table.Force of gravity.DragWhat is Force?This is described as an influence which changes the motion of an object. The force exerted before motion is that which is exerted by the table , drag and force of gravity.
During fall, all other forces act except that exerted by the table thereby making it the most appropriate choice.
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The epithelium of the nasal cavity, nasopharynx, trachea and bronchi is ciliated ___________________________________ columnar epithelium, often with goblet cells
Answer:
pseudostratified
Explanation:
The epithelium of the nasal cavity, nasopharynx, trachea and bronchi is ciliated pseudostrtisfied columnar epithelium, often with goblet cells
Empties bile into the duodenum from the gallbladder.
Bile empties from the gallbladder into the bile duct. The bile duct merge with the pancreatic duct to form the ampulla of Vater, which empties into the duodenum.
What releases bile into the duodenum?The gallbladder
The bile made by the liver is kept in the gallbladder. This is a pear-shaped organ found below the liver. Then, when food is eaten, the gallbladder compressed and releases stored bile into the duodenum to help break down the fats.
Thus, Bile empties from the gallbladder into the common bile duct.
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Which of the following statements describes a way in which bacteria differ from animals and plants?
A. Bacteria are not made of cells.
B. Bacteria do not reproduce.
C. Bacteria do not have specialized cells.
D. Bacteria do not maintain homeostasis.
What is the meaning of life
Which best describes the role of sunlight in the process of photosynthesis
a Light provides the energy to make sugars from smaller carbon compounds.
b Light provides the energy to break down sugars into smaller molecules.
C Light provides the energy to break down sugars into smaller molecules.
D Light provides the energy to build large carbohydrates from simple sugars.
Answer:
c
Explanation:
The answer is c because photocythacis makes it so that plants can make their self food and make oxygen
The addition of aldosterone _______. resulted in no change in urine volume decreased the urine volume to zero decreased the urine volume increased the urine volume
The addition of aldosterone resulted in a decrease in the urine volume and is denoted as option C.
What is Aldosterone?
This is produced in the adrenal gland and it helps to stimulate absorption of sodium by the kidneys.
It also regulates water and salt balance in the body which is why its addition leads to a decrease in the urine volume.
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What does random mean and how does it apply to genetics?
Answer:
We
Explanation:we
Answer:
Answer: Alleles are sorted randomly into cells.
Explanation:
Flowering plants have common ancestors with other plants and plant-like organisms. The table below shows the last common
ancestor shared between flowering plants and two other types of organisms.
Cone-producing plants
Last common ancestor with flowering plants
250 million years ago
500 million years ago
Green Algae
A scientist compares the amino acid sequences of a protein produced by flowering plants, a cone-producing plant, and green algae.
What prediction about these sequences is supported by the data in the table?
(1 point)
The amino acid sequences for flowering plants and cone-producing plants will be the most similar.
The amino acid sequences for all three organisms will have no similarities.
The amino acid sequences for all three organisms will be identical.
The amino acid sequences for flowering plants and green algae will be the most similar
Answer:
The amino acid sequences for flowering plants and cone-producing plants will be the most similar. O The amino acid sequences for all three organisms will be identical. O The amino acid sequences for flowering plants and green algae will be the most similar. O The amino acid sequences for all three organisms will have no similarities.
Explanation:
Answer:
The answer is B: The amino acid sequences for flowering plants and cone-producing plants will be the most similar.
Explanation:
I don't have an explanation. I just simplified the first persons thing.
During the cell cycle, proteins called cyclins bind to enzymes that send signals for the cell to progress through stages of cell replication. at the end of this cycle, the cyclins degrade to prevent further signaling for the cell to divide.
uncontrolled production of cyclins will most likely result in —
f) the formation of tumors
g) the immediate death of the cell
h) the transfer of cyclins to other cells
j) the formation of haploid cells
Uncontrolled production of cyclin proteins will most likely result in the formation of tumors (Option f).
What are cyclins?Cyclins are proteins that control the progression through the cell cycle by their interaction with specific kinases.
These cyclins-dependent kinases (cdks) can be phosphorylated as a control points during the cell cycle.
Uncontrolled production of cyclins will produce uncontrolled cells that divide forming tumors.
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The graph below shows the breakdown of radon-222.
What is the half-life of Rn-222?
What fraction of the original sample will be left after 3 half-lives?
Answer:
Answer: 7.949\ \text{days}7.949 days
Step-by-step explanation:
Given
The half-life of a sample is T_{\frac{1}{2}}=3.823\ \text{days}T
2
1 =3.823 days
Decay is given by
A=A_o2^{\dfrac{-t}{T_{\frac{1}{2}}}}A=A
o
2
T
2
1
−t
After 3 half-lives, one-eight of the sample is left
Insert the values
\begin{gathered}\Rightarrow \dfrac{A_o}{8}=A_oe^{\dfrac{-t}{T_{\frac{1}{2}}}}\\\\\Rightarrow e^{\dfrac{t}{T_{\frac{1}{2}}}}=8\\\\\text{Taking log both sides}\\\Rightarrow \dfrac{t}{T_{\frac{1}{2}}}=\ln 8\\\\\Rightarrow t=3.823\times \ln 8\\\\\Rightarrow t=7.944\ \text{days}\end{gathered}
⇒
8
A
o
=A
o
e
T
2
1
−t
⇒e
T
2
1
t
=8
Taking log both sides
⇒
T
2
1
t
=ln8
⇒t=3.823×ln8
⇒t=7.944 days
Which environment is most likely to have the greatest levels of biodiversity?
I know this is a math problem but I keep getting scam links as answers in the mathematics subject. Could someone please help me on this?
Answer: just click it really fast then type in it it happens to me all the time
Explanation:
There is a maximum between the two input values -2 and 2.
A quadratic function is the function which has 2 as its highest power. Its genralised form is given as y=ax²+bx+c.
From the given table it can be observed that at extreme values of x, therefore, when x=-5 and x=9, the value of y is negative. Therefore, at any value above 9 and below -5, the value of the function will be always negative.
Further, it can be observed that the highest value of y is 9 which when the value of x is -1.
The only choice from the given option that includes -1 in its answer is -2 and 2.
To verify this a graph can be plotted for the function as shown below.
Hence, the maximum will be between -2 and 2.
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Human gametes contain ________ chromosomes; somatic cells contain ________.
Which of the following is a characteristic of unicellular organisms?
1. They can possess tissues and organs.
2. All of their functions are performed by a single cell.
3. They are usually microscopic.
4. Each of their cells is specialized to perform a specific function.
Is fertile soil a renewable or nonrenewable resource?
Answer: fertile soil is an non renewable resource
Explanation:
What biotic and abiotic factors live in an oasis and what are their roles as resources?
Answer:
Precipitation, water availability, sunlight, and temperature are all abiotic factors. Deserts are characterized by their lack of rainfall. Although we usually think of deserts as being hot, some deserts can be cold too. Biotic factors are all the living things in an ecosystem. So organisms such as cacti and the kangaroo rat.
Pick a plant and an animal FROM MIAMI that have been particularly affected by climate change in your area and explain how they each have changed
all my points along with brainliest
Answer:
Vanilla orchid
crocodiles
Explanation:
The plant doesnt have enough water due to scarcity of rain.
The water is evaporated and the crocs live in the water
To sum up the quote from the NY Times: IN ONE WORD, who was in support of the Earth Day campaign? * me and my partner ar stuck
The organization that was in support of the Earth Day campaign is the Environmental Protection Agency.
What is Earth Day campaign?It should be noted that the Earth Day campaign simply means the initiative that's done to ensure that the environment is kept safe for everyone.
The main idea behind it it to restore the Earth. Issues such as climate change, investing in the planet, etc are discussed.
In this case, the organization that was in support of the Earth Day campaign is the Environmental Protection Agency.
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how many cells are in this picture? and which phase are most of the cells in-interphase, mitosis or cytokinesis
Answer:
~100 cells,
Explanation:
I counted around 102 cells in the picture. For your seond question I am a bit confused.
You asked what phase are they in and gave interphase, mitosis and cytokineses as the options. While interphase and cytokinesis are phases of mitosis. Therefore in theory all the cells are going through mitosis.
Since most of the cells are looking like dense balls, we can say they are going through interphase.
P.S. I also see some going through anaphase, metaphase and cytokinesis, but they are seldom in numbers compared to interphase cells.
Help me right now! For a brainlest!
How are dinosaurs are like ( Related) crocs
How are dinosaurs like( related) chickens
Answer (How dinosaurs are related to crocodiles):
Along with pterosaurs and dinosaurs, crocodiles were an offshoot of the archosaurs, the "ruling lizards" of the early to middle Triassic period; needless to say, the earliest dinosaurs and the earliest crocodiles resembled one another a lot more than either resembled the first pterosaurs, which also evolved from archosaurs. What distinguished the first crocodiles from the first dinosaurs was the shape and musculature of their jaws, which tended to be much more deadly, as well as their relatively splayed limbs—as opposed to the straight, "locked-in" legs of theropod dinosaurs. It was only well into the Mesozoic Era that crocodiles evolved the three main traits with which they're associated today: stubby legs, sleek, armored bodies, and marine lifestyles.
Answer (how dinosaurs are related to chickens):
The scientific evidence comes from a study in which the amino-acid sequence from T. Rex collagen was compared to that of various modern species. It proved to be more similar to the chicken than any other creature alive today.
So, are chickens dinosaurs? No – the birds are a distinct group of animals, but they descend from the dinosaurs, and it’s not too much of a twist of facts to call them modern dinosaurs.
There are many similarities between the two types of animal, largely to do with bone structure. It also appears that many of the dinosaurs had feathers – not for flight, but as adapted scales, to assist in heat regulation, and/or to assist in courtship displays, as in modern birds.
The perception of color depends on the __________ of light an object reflects.
Answer:
The answer is Wavelength.
Explanation:
The perception of color depends on the Wavelength of light an object reflects.
She's cooking dinner
Ema said
This is an independant clause, a full sentence, it is not a dependant clause cause it doesn't need a helping sentence to make it a full sentence
The brain and spinal cord work together so the body can receive signals and react to the environment. what is the spinal cord?
Answer:
cross section iv
Explanation:
Answer:
an organ for people on edge.
Explanation: