Twins are born. One is a boy and one is a girl. Which statement is correct
about their genetic makeup?

Answers

Answer 1

Answer:

If twins are a boy and a girl, clearly they are fraternal twins, as they do not have the same DNA. A boy has XY chromosomes and a girl has XX chromosomes. Girl-boy twins occur when one X egg is fertilized with an X sperm, and a Y sperm fertilizes the other X egg.

Explanation:


Related Questions

8. The process that occurs only in the small intestine to increase the absorption of
food and nutrients by mixing food.
A. Digestion
C. Absorption
B. Peristalsis
D. Segmentation

Answers

Answer:

leleekkelele

Explanation:

e!!e!e!we!!eleel

e!e!elele

Directions: Read and understand each question very well. Write the letter on a separate sheet of paper. 1. Which of these explains the cause of day and night? A. The revolution of the earth around the Sun B. The rotation of the earth on its axis C. The rotation of the earth around the Sun D. Both A and B 2. The earth travels on its orbit around the sun. Some changes take place during this orbit of the earth. These changes on Earth are caused by varying. A. Amount of air C. Amount of oxygen B. Amount of rainfalls D. Amount of sunlight 3. The places near the equator receive more heat than others. They experience A. Cold temperature C. Higher Temperature B. Lower Temperature D. Moderate Temerature 4. Which picture below shows the angle of the earth's axis? A. Ø C. D. 5. The part of the earth facing directly to the Sun receives A. Slanting rays C. Diagonal rays B. Vertical rays D. Staright rays 6. Which of the following results to different amount of solar energy received by the different parts of the world. A. Revolution and rotation C. Rotation B. Revolution D. none of the above 7. Why do we have seasons on earth? A. Because the Sun is tilted on its axis B. 0.C​

Answers

Answer:

1.

1.D

2.D

3C

4.theres no picture so i am not sure what to answer,youre on your own here, just read and research about it on ur module or in the internet, u can do it:D

5.B

6.A

7. the choices arent very clear in what you copy and paste here but the answer is, revolution of the earth around the sun and the earth tilting on its axis or "rotation"

Explanation:

HOPE IT HELPS<3

KEEP LEARNING BUD

Which of these choices allows people to pass down survival techniques from
one generation to the next?
A. Communication
B. Foraging
C. Domestication
D. Clothing

Answers

Answer: Communication

Answer:

A. communication of course

Explanation:

Which must be true for natural selection to happen?

A.) There must be genetic variation in the population.
B.) There can be no competition for resources
C.) All organisms must reproduce the same amount.
D.) The population must be below carrying capacity.

Answers

Answer:

Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.

Explanation:

ayan p o t a k a

haha

A general mechanism by which postsynaptic potentials are terminated involves Group of answer choices increased synthesis of the neurotransmitter molecule. enzymatic synthesis of the neurotransmitter molecule. reuptake of the neurotransmitter molecule into the axon through a membrane transporter. increased number of postsynaptic receptors. diffusion into glial cells.

Answers

Answer:

The correct answer is - reuptake of the neurotransmitter molecule into the axon through a membrane transporter.

Explanation:

The action of a neurotransmitter at the postsynaptic cell or postsynaptic potentials is terminated by any of these mechanisms that are enzymatic degradation, diffusion or reuptake into the presynaptic cell by specific transporters.

After the desired biological response by postsynaptic potentials, in order to avoid over stimulation or termination of the postsynaptic potentials the neurotransmitter is taken back into the axon through a membrane transporter. This mechanism is to maintain a balance.

can squirrels get cats pregnant?!?!?! please answer quickly :/

Answers

Answer:

i don't think so...they are different species?

why would you even need to know that?

Answer:

No

Explanation:

A squitten is a cat with a genetic deformity which causes a partial formation or complete absence of the radius bone making it resemble a squirrel. These cats should be kept indoors and seen to by specialist veterinarians, as long term management of the condition is essential for quality of life in these cats.

Question 17 of 25
Based on the data in the table, what will happen when a sound wave travels
from copper into lead?
Aluminum
Copper
Lead
Brass
(70% Cu,
30% Zn)
6,420
4,700
5,010
1,960
Speed of
sound
(m/s)
A. The wave will speed up.
B. The wave will get completely absorbed.
C. The wave will change in frequency.

Answers

Answer:

The wave will change in frequency.

Explanation:

As a way to keep motion it should reflect enough to change frequency.

Answer: A

Explanation:

2.2.1
Differentiate between malnutrition and undernutrition.d
(2)
2.2.2
Which disease is caused by deficiency of vitamin C?
223
Why did the sailors suffer from the disease mentioned in OUESTION​

Answers

Explanation:

Malnutritionin broad sense means bad nutrition.

Undernutrition is the taking in of inadequate amounts of major food substancesleadind to deficiency diseases eg. kwashiorkor.

Defecieny disease of inadequate amounts of Vitamin C include:

Scurvy: swelling of gum and bleeding around teeth.Body weakness, pains, swelling of joint and poor healing of wounds

Sailors suffer from scurvy and body w weakness because they don't eat enough Vitamin C in other words they don't eat enough fresh fruits e.g lemon, oranges, pawpaw and green vegetables

Put the following diagram of mitosis in the correct order. Group of answer choices
A 2, 1, 3, 4
B 3, 2, 1, 4
C 4, 1, 3, 2
D 1, 2, 3, 4

Answers

Answer:

B

Explanation:

diagram 3 is the preparation of mitosis and it's where the Dna replication take place

Which of the following best describes daily temperatures in deserts?a. hot during the day and cold at night b. hot during the day and warm at night cool during the day and very cold at night d. they depend upon the type of desert and its location Please select the best answer from the choices provided

Answers

a would be the best answer out of these choices because it’s closest to hot during the day and cool at night
A. Hot during the day and cool at night

The tricyclic antidepressant drugs are monoamine agonists in that these drugs Group of answer choices block the reuptake of norepinephrine and serotonin into the terminals. stimulate the release of glycine within the limbic system. speed up the reuptake of norepinephrine and serotonin into the terminals. block NMDA receptors. block the reuptake of dopamine into the terminals.

Answers

Answer:

The correct answer is - block the reuptake of norepinephrine and serotonin into the terminals.

Explanation:

Tricyclic antidepressants drugs help in increasing the levels of hormones such as norepinephrine and serotonin, two neurotransmitters. The level of these hormones are increased by blocking the reuptake of these neurotansmitters and hormones back to axon terminal.

Reuptake of neurotansmitters and chemical messangers is the general mechanism of the balancing the horone levels in the body.

I need to know what which weathering it is

Answers

Answer:

the answer is D

Explanation:

Rocks break down into smaller pieces through weathering. Rocks and sediment grinding against each other wear away surfaces. This type of weathering is called abrasion, and it happens as wind and water rush over rocks. The rocks become smoother as rough and jagged edges break off.

Which of the following is a device for measuring the height of a tree?
A plot
A caliper
A basal area
A clinometer

Answers

Answer:

The answer is C basal area

The answer is A clinometer

If you move a plant further and further away from a light source the level of O2 production would _______________ because the process of _____________________ slows and the process of _____________________ speeds up.

Answers

Answer:

1. Decrease

2. Photosynthesis

3. Cellular respiration

Explanation:

Photosynthesis in a plant requires light source to occur. The photosynthetic process gives oxygen gas (O2) as a waste product. This means that the production of oxygen is dependent on the intensity of light.

On the other hand, cellular respiration uses up or consumes oxygen in a plant. Hence, an increase in respiration reduces oxygen level if photosynthesis does not produce.

According to this question, If you move a plant further and further away from a light source, the level of O2 production would DECREASE because the process of PHOTOSYNTHESIS slows and the process of CELLULAR RESPIRATION speeds up.

Tại sao chúng ta lại trụt rút

Answers

Answer:

Có rất nhiều lý do mà khóa tu là quan trọng! Chúng giúp chúng ta loại bỏ bản thân khỏi sự quen thuộc của những khuôn mẫu thông thường hoặc môi trường xung quanh, để dành thời gian để đến với Đức Chúa Trời trong sự Sáng tạo của Ngài. Thông thường ở những thời điểm khác nhau trong cuộc sống, một lý do hoặc nhu cầu này có thể vượt trội hơn lý do khác. Tuy nhiên, luôn có những lý do chính đáng, bất kể mùa nào trong đời của bạn, rằng một khóa tu là rất quan trọng để lên lịch, lập kế hoạch và tham dự. Dưới đây chỉ là bốn trong số chúng và chúng tôi nghĩ bạn có thể nghĩ ra nhiều hơn nữa!

Gần như hàng ngày, chúng tôi nhận được các cuộc gọi hoặc chuyến thăm từ những người đã đến Wafloy hơn 20, 30, 40 năm trước. Niềm vui khi trở thành một trung tâm nhập thất 72 tuổi là chúng tôi được nghe những người khác chia sẻ những kỷ niệm đó. Mối liên kết của những ký ức này không chỉ buộc họ với một nơi, mà còn với tình đồng nghiệp của những người khác đã đi cùng một hành trình. Chúng ta, con người, được tạo ra để giao tiếp với Chúa và với nhau. Dành thời gian như một nhóm, cô lập trong bầu không khí phát triển và dễ bị tổn thương có thể cho phép Đức Chúa Trời di chuyển trong cuộc sống. Điều này sẽ tạo ra những ký ức gắn kết vượt ra ngoài bản thân sự kiện khóa tu. Những ký ức đó và tác động của chúng có thể tồn tại suốt đời.

Explanation:

Maribel brings her backpack to the lab. She is also given a set of lab materials. What is the safest way for Maribel to organize these items in the lab?

A. Both the personal items and the lab materials should be arranged neatly along the edge of the table.
B. Both the personal items and the lab materials should be arranged in the center of the table.
C. The lab materials should be in the center of the table, and the personal items should be on the edge of the table.
D. The personal items should be off the table, and the lab materials should be placed neatly away from the edge of the table.

Answers

Answer:

D.

Explanation:

When doing a lab, personal items should be put away.

I hope this helped :)

Answer:

D

Explanation:

E2020

HELP BRAINLIST PLEASE WILL GIVE URGENT NOWWWWW PLEASEEEE
Which of the following has the most effect on the Ocean's tides?
O prevailing winds
ocean currents
Sun and Moon

Answers

Answer:

Sun and Moon

Explanation:

the sun's tide-generating force is about half that of the moon, and the moon is the dominant force affecting the Earth's tides.

Explain how and why fur colour has helped in the adaptation and survival of one deer mice

Answers

owoceo rquee  toe al m:y((

Explanation:

The colour of the fur allows the deer mice to camouflage into its surroundings and make it harder for predators to spot it. Also it's fur has allowed it to stay warm during the cold and reduces heat loss.

Hope this helps u :)

2. Which of an elephant's characteristics might affect their ability to
survive?
How quickly they are able to run.
Whether or not they have tusks.
O All of these are characteristics that may affect an elephant's ability to survive.
How well they are able to see.

Answers

How well they are able to see

A tertiary consumer is an animal that obtains its nutrition by eating primary consumers and secondary consumers. Usually tertiary consumers are carnivorous predators, although they may also be omnivores, which are animals that feed on both meat and plant material. Function of Tertiary Consumers

Answers

Answer:

The function of tertiary consumers is to keep the population of primary and secondary consumers under control, in addition to serving as food for quarternary consumers.

Explanation:

As stated in the question above, tertiary consumers are those who feed on secondary and primary consumers within the food chain. They represent a very important trophic level, in addition to allowing the transfer of energy between living beings to flow normally, they manage to control the populations of primary and secondary consumers, which keep nature in balance. In addition, they serve as food for other consumers, the quarternarios consumers.

Adenine bonds with
Your answer

Answers

Answer:

I hope it's true

Explanation:

Adenine bonds with thymine, and guanine bonds with cytosine.

bye!

Mention any four characteristics of warm blooded animals

Answers

Answer:

They maintain their body temperature higher than their environment by some metabolic processes like contraction of muscles, friction produced by flow of blood etc. They have a higher basal metabolic rate, and also a greater capacity to increase their metabolic rate.

Define (biosocially)

Answers

Answer:

of, relating to, or entailing the interaction or combination of social and biological factors.

Explanation:

relating to the interaction of biological and social factors.

if a test shows that some people have plasmodium in their blood but do not show any symptoms of malaria, what would be the hypothesis for this

Answers

Answer:

below

Explanation:

they could be a-symptomatic

Cell type gizmo answers

Answers

Answer:

cell

leg

arm

blood

sickle cell

Explanation:

A cell is the concentration of cytoplasm which are held together by a cell membrane in the body of a living organism.

They are recognised as the smallest units of the living body of an organism because all things in the body are made up of the cells.

As a result of this, there are different cell types which include:

Stem cellsBone cellsBlood cellsNerve cells, etc

Please note that your question is incomplete, and i gave you a general overview which should help  you get a better understanding.

Read more here:

https://brainly.com/question/24732388

Guanine bonds with
????

Answers

Answer:

Answer

cytosine

correct me y'all if am wrong ❤️



Part A: Analyze Figure 1 to answer questions 1 to 3
Figure 1: Blood Group Percentages including Blood Type and Rh Factor

. What is the most common blood group (Type and Rh factor)?

A Positive

O Positive

B Positive

AB Positive
What is the rarest (least common) blood group (Type and Rh factor)?

A Negative

O Negative

B Negative

AB Negative
What percentage of people have Type A blood (either Rh positive or negative)

6%

34%

40%

48%

Answers

Answer:

1. O positive

2.AB negative

3.34% or 6%

Why does tissue fluid does not contain RBC?

Answers

Explanation:

The plasma that filters through the blood capillaries into the interstitial fluid does not contain red blood cells or platelets as they are too large to pass through but can contain some white blood cells to help the immune system.

Read the passage “ a river for everyone”, then answer two questions below.( the entire passage is in the image above)

1. Are there any limits on what you can change? For example, it would not be realistic to
remove all of the farms. Is there anything that people cannot compromise on?

2. What else would you need to know to come up with a plan of action? Where could you
get that information?

Answers

Answer:

1. Moving the facilities such as crops, lawns, golf courses, and sewers etc would be unrealistic to change because many of the owners would not comprise (costs so much already), yet there are solutions. For example, the town can restrict farmers from poluting the rivers with pesticides as well as fining them and the house developments golf courses and land owners in which the money can be used towards the filteration cost. Another idea would to build cheaper wells to soak up water from different river locations or build barriers around settlements from the river. Another idea would to simply grow natural filters such as using the trees and soil they already had.

2. Of course their are limits such as costs, and figuring out the landscapes of where to build wells, add soil and trees (trees take time to grow) and more that would need plan of action from community leaders in which the people would need to speak with the advisors or the management of the buildings nearby. Without clean water people will get sick or die, and building managers need healthy people to live in their houses and work and grow crops so they'll have to make change.

4. What is the most likely explanation, if we see an increase over time
of a specific trait in a population?
Organisms with that trait are more suited to their environment or reproducing
Organisms without that new trait stopped reproducing.
The organisms without that trait either left or died off.
Organisms with that trait killed the organisms without the trait.

Answers

Answer:

This all I can do hope this help

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