Biology Middle School

Chickens express three variations for feather color: white, black, and black and white speckled. The genotypes are below:

WW = white
BB = black
WB or BW = black and white speckled

Which conclusions about these two traits are valid?

Chickens Express Three Variations For Feather Color: White, Black, And Black And White Speckled. The

Answers

Answer 1

Answer:

B. White feather color is dominant and black color is recessive.

Explanation:

White people were dominant over blacks in the 17th century to right now. The whites have more power over blacks.

hope this helps.

Related Questions

Which of the following are examples of what scientists can learn from studying fossils?

Select all that apply

Answers

Answer:All of them except

A, B and C are correct. Not D because unless it was a water environment skin was rarely preserved

BEAKER 4
What substance will show net
movement into the cell?

What substance will show net
movement out of the cell?

Does the cell shrink or swell?
Benedict's reagent tests for the
presence of glucose. If this
reagent was added to the water
in the beaker after 2 hours,
what would the result be?
Why?
1% starch, 5% glucose 94% water
This diagram shows the cell in
a
solution. (hypotonic,
hypertonic, or isotonic)

Answers

Answer:

more glucose and change to a blacky-purple colour

Explanation:

The substance will show net movement out of the cell more glucose and change to a black to purple color.

What are the types of cell?

The organisms which are made up of single cell has been known as the unicellular organisms and in the unicellular organism all the life processes takes place in a single cell. Amoeba has been known as an unicellular organism in which all the activities has to be related to the life carried out in a single cell.

Multicellular organisms are made up of the eukaryotic cell and the eukaryotic cell is consist of different cell organelles to carry out different functions in the cell. The multicellular organisms perform different life process in different cells because they have specific cell for specific function.

The unicellular organisms are made of one cell and carry out the processes of life as a single cell and the multicellular organisms are made up of two or more cells that have specific functions to contribute to the life processes.

Therefore, The substance will show net movement out of the cell more glucose and change to a black to purple color.

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A wave of infrared light has a speed of 6 m/s and a wavelength of 12 m. What is the frequency of this wave?


A. 0.5 Hz ✅

B. 2.0 Hz

C. 18 Hz

D. 72 Hz

Answers

Answer:

Explanation:

The frequency of the wave is 0.5 hertz.

La frecuencia de la onda es de 0,5 hercios.

Answer:

A. 0.5 Hz.

Explanation:

I know you got the answer, but plz mark me as brainliest. I need a lot of those.

Genetics & Heredity

1. How do the Punnett squares for a monohybrid cross and a dihybrid cross differ?


2. What are the genotypes of gametes of an AaBb self-pollination?


3. Mendel carried out a dihybrid cross to examine the inheritance of the characteristics for seed color and seed shape. The dominant allele for yellow seed color is Y, and the recessive allele for green color is y. The dominant allele for round seeds is R, and the recessive allele for a wrinkled shape is r. The two plants that were crossed were F1 dihybrids RrYy. Identify the ratios of traits that Mendel observed in the F2 generation. Create a Punnett square to help you answer the question.

Answers

Answer:Biologists use a diagram called a Punnett square, to help predict the probable inheritance of alleles in different crosses.

There are four possible combinations of gametes for the AaBb parent. Half of the gametes get a dominant A and a dominant B allele; the other half of the gametes get a recessive a and a recessive b allele. Both parents produce 25% each of AB, Ab, aB, and ab.

The last one I can't answer sorry.

Explanation:

hope this is good.

Give at least two reasons why you feel the ecosystem chosen by your group is the best choice. We chose lake. I don't know what to say lol. Will give 69 points.

Answers

Lakes are a great place for wildlife and plants to thrive. By choosing this system, we can study both the ecosystem inside the lake and the ecosystem around the lake and see how they interact. (optional: we also have easy access to a lake, so we can see the ecosystem work in real life)

The inner core of the Earth is a metal spinning ball made of nickel and iron. It spins faster than the earth rotates and is hotter than the surface of
A. Mars
B.The Sun
C. Lava

Answers

Answer:b

Explanation:

The answer is the sun which is option “B”.

Alison finds the total mass of a sample of baking soda, a balloon, and a glass container with vinegar in it. She adds the baking soda to the vinegar and immediately places the balloon over the mouth of the container. After the reaction is complete, she again finds the total mass of the system.

Which statement is true:
1. The mass does not change because chemical changes observe the law of conservation of mass.
2. Mass is gained during the reaction because a chemical change is taking place.
3. Mass is lost during the reaction because the gas is less dense than the baking soda or vinegar.
4. Mass is lost during the reaction because the gas can change in volume but baking soda and vinegar cannot.

Answers

Answer:

2. Mass is gained during the reaction because a chemical change is taking place

Carryonlearning:)

Topsoil is made up mostly made up of what ingredient? HURRY PLS!!! I will give Brainiest


A. rock and mineral particles

B.millions of animals

C. 5 billion microorganisms

D. 100 miles of root hairs


Correct answer = Brainliest

Answers

A, this is my guess because topsoil is made mostly of humus(sand, silt, clay and broken down organic matter) and the rest of the answers don’t make sense, hope this helps :]

A. Rock and mineral particles
I’m not sure what quiz this is but I remember getting this right on my chemistry quiz.

Genes are sections of DNA that code for a particular trait. Genes are. A carbohydrates B. lipids C. proteins D. nucleic acids PLEASE HURRY I WILL MARK BRAINLIEST

Answers

D. Nucleic acids…Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body.
The answer is D.) nucleic acid

Which of the following traits are environmentally caused and not passed from parent to offspring genetically?

Answers

Answer:

A

D

Explanation:

languages and problem solving skill can be learned. but eye color and earlobe shape cannot.

The language you speak and problem solving skills.

What causes days to be warmer on one part of Earth than on another?

A. the number of cars on the road

B. the rotation of Earth

C. the speed of Earth in its orbit

D. the angle at which the sun strikes Earth

Answers

Mmmm I would say D because it seems like the one and a good one

The days to be warmer on one part of Earth than on another because  the angle at which the sun strikes Earth.

What would cause earth to have a shorter day?

As the Earth moves around the sun during a year, the northern half of the Earth is tilted towards the sun in the summer, making daytime longer than night.

Thus, option "D" is correct.

To learn more about earth  click here:

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why unfavorable traits do not usually get passed to offspring? No links please

Answers

Answer:

traits that hinder survival eventually disappear

Explanation:

living things adapt to their surroundings

Hehe I really don’t no the answer

Can someone help? Ty!

Answers

Answer:

sedimentary rocks are laid down in layers called bed or strata

Explanation:

beds or strata

The weather forecast says a high temperature was to be 24°F and the relative humidity was at 93 percent. A fast-moving cold front was moving in her direction. What type of weather should we expect? Explain why you choose that specific storm.

Answers

Answer: a tornado or a snow storm

fast moving cold front was moving in her direction

And usually when the high temperature for the day is 24

°F and the relative humidity is at 93 percent, a snowstorm happens

A snow storm or tornado due to the cold front coming in

Which is the oldest rock in this strata?

mudstone

siltstone

limestone

sandstone

conglomerate

Answers

Answer:

I am 100% sure it is the mudstone. I believe they are the oldest rock in existence.

Explanation:

Conglomerate Because the first layer counts as the youngest and the last layer count as the oldest
Please tell me if I'm wrong

Check all locations where a pulse can be taken.

carotid

brachial

radial

femoral

popliteal

dorsalis pedis

Answers

Answer:

carotid  

brachial  

radial  

femoral  

popliteal  

dorsalis pedis

Explanation:

These are all places where your pulse can be taken.

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

All of above carotid, brachial, radial, femoral, politeal, dorsalis pedis

whats is the cell cycle and why is it so important to to our health? no links

Answers

The cell cycle is the replication of reproduction of cells, whether in eukaryotes or prokaryotes. It is important to organisms in many different ways, but overall it allows them to survive. For prokaryotes, the cell cycle, called binary fission, allows for them to live on by dividing into two new daughter cells. ( I hope this helped if you are doing this on computer you can copy & paste it. )
Are you talking about cell division and mitosis and that kind of stuff? If so , first is interphase which is growth and development second is prophase where you can see the chromosomes and spindle fibers everywhere, third is metaphase where the chromosomes line up and the spindle fibers are attached to the chromosomes, fourth is anaphase where the chromatid pairs separate, and last is telophase where the cell begins to form a new nucleus and split and goes back to interphase and the cycle continues. If this stopped then you would die. I hope this helped

What are the segments of DNA that code for specific traits called?

Answers

the segments of DNA that code for specific traits are called genes

Answer:

it would be C, genes.........

The following table was made to compare the different seismic waves. What correction needs to be made?

A. Rayleigh waves have a rolling movement and Love waves have a horizontal movement that is perpendicular to the wave.
B. Rayleigh and Love waves travel through solid and liquid.
C. Rayleigh and Love waves are body waves, P-waves and S-waves are surface waves.
D. P-waves have a vertical movement that is perpendicular to the wave and D-waves has a compression movement.

Answers

Answer:

b

Explanation:

The different seismic waves is "Rayleigh and Love waves travel through solid and liquid."

What is Rayleigh wave?

A specific kind of surface acoustic wave which thus travels along the surface of solids is known as a Rayleigh wave.

What is seismic waves?

An earthquake or maybe an explosion can cause an elastic wave called a seismic wave.

Therefore, the different seismic waves is "Rayleigh and Love waves travel through solid and liquid."

To know more about Rayleigh and seismic waves

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Unscramble the word in red to complete each sentence. (Refer to lesson if necessary)

Answers

1.germs
5.diseases
6.Shots
7.skin
8.stress

Match each description to the corresponding type of reproduction.

Answers

From top to bottom of left column
1.F
2.C
3.E
4.D
5.B
6.A
This should all be correct good luck!

Answer:

The correct answers are listed below:

1.F

2.C

3.E

4.D

5.B

6.A

Explanation:

Other than coral bleaching , what are other effects of the increased heat and carbon dioxide absorption by oceans ?
A: Depletion of fish stocks
B: Droughts
C: All of the above
D: Hurricanes

Answers

A depletion of fish stocks. Carbon dioxide makes ocean water more acidic which is dangerous to fish.
The answer is A, the other person explained it…

EN QUE LUGAR SE HA ENCONTRADO UNA COMUNIDAD DE ANIMALES

DOY CORONA <3

Answers

¿Ecosistema?wjjwjana
en una cordillera submarina llamada east scotia

are prokaryotes more common than eukaryotes

Answers

Answer:

Yep.

Explanation: Prokaryotes are more common, hope im not too late lol

In a particular breed of rabbits, fur color is gray or white. If a rabbit with gray fur and a rabbit with white fur reproduce and the offspring all have gray fur, what can you infer about the gene for fur color?

Answers

Answer:

D

Explanation:

The gene for dominant fur is dominant over white fur. The relationship between two genetic variants is referred to as dominant. Each gene has two alleles that an individual inherits from each parent.

What is dominant gene?

One allele of a gene, known as the dominant gene, will be expressed if the alleles are different. The impact of the other allele, known as the recessive one, is concealed.

Dominant describes the relationship between two genetic variants. If one is in charge, the other must be subordinate. Then it is referred to as recessive.

A dominant gene, or dominant form of a gene, is a specific variant of a gene that expresses itself more powerfully on its own than any other version of the gene that the individual is carrying—in this example, the recessive—for a variety of reasons.

Therefore, The gene for dominant fur is dominant over white fur. The relationship between two genetic variants is referred to as dominant. Each gene has two alleles that an individual inherits from each parent.

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If the normal body cells of an organism each contain 36 chromosomes, how many chromosomes would be found in a gamete produced by that organism?

Answers

The answer is c hope this helps can i plz have brainliest :D)
The answer is C. I did this a couple days ago

Which of the following are examples of what scientists can learn from studying fossils?

Select all that apply

Answers

the answer is a and c
The answer is a and c

A manual contains instructions for how to build a variety of structures using a set of interlocking bricks. If this scenario is used as a model for genetic information, which statement is correct?
A, Each set of instructions is a protein
B, Each structure is a gene
C, The manual is a chromosome ​

Answers

Answer:

b

Explanation:

b  Each structure is a gene

A manual which contains all the instructions for how to build a variety of structures using a set of interlocking bricks, in this model the manual is a chromosome. Thus, the correct option is C.

What is Chromosome?

The chromosomes are the building blocks of the genetic code. A manual contains all the instructions regarding how to build blocks or proteins in case of body of an organism and is also used to make models for genetic information.

At the functional level of genes, DNA contains all instruction manuals that describes the cells information. These genes are transferred during the process of fertilization and are passed on to the offspring.

Therefore, the correct option is C.

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Summarizing your investigation using the Five-Column Chart. For my investigation I use Solid.

Answers

Answer:

I don't know what I am answering

Explanation:

what was the question

Answer:

correct

Explanation:

What is being described in the passage?

Answers

Answer:

I think it's a tectonic plate(also called lithospheric plate). :D

Hope this helps.

Explanation:

Pls give brainliest.

Tectonic plates is being described
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