a Punnett square between a cross of a female who is a carrier for hemophilia and a male who does not have hemophilia.
1.) Correctly identify the alleles
2.) Identify parental genotypes
3.) Correctly assign them on them and complete a Punnett square
4.) Show BOTH your genotypes and phenotypes
Answers
The X chromosome contains the hemophilia gene, hence the two alleles are XH (normal clotting) and Xh (hemophilia). The female carrier of hemophilia must have the gene XHXh and be heterozygous.
For beginners, what is a Punnett square?A Punnett Square is a helpful tool for predicting the potential alterations and outcomes of cross-breeding. This includes foreseeing the mating of different species, including humans and animals.
A Punnett square example is what?For instance, Punnett square may predict that all the progeny will be tall and that they will all be heterozygous for both the allele for shortness and when pollen from a true-breeding tall pea plant crosses with pollen from a true-breeding short pea plant, the tallness gene is produced.
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Related Questions
Choose correct option
Answers
Answer:
B, hydroelectric.
Explanation:
Hydroelectric power is defined as “the generation of electricity using flowing water (typically from a reservoir held behind a dam or other barrier) to drive a turbine that powers a generator.
PLSSSSS HURRY
Scientists develop new wind farms in a town that relies on oil fracking. Which statement describes an outcome in support of this change?O Electricity is distributed to different areas. O An increase in greenhouse gas emissions occurs. OAnimal migration routes change due to altered wind patterns. OAn inconsistent supply of energy occurs at residential locations.
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Answer:
its c
Explanation:
i know it is
Answer:
c
Explanation:
best choice
b. Energy efficiency depends on the
energy types involved and the
exact process of the
transformation.
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Energy efficiency is the ratio of output and input and involves types of energy along with exact process of transformation.
What is energy efficiency and how it depends on exact process of transformation?Energy efficiency is actually the ratio of the output produced and input in energy context.Energy is transformed in numerous ways, may it be in the form of heat, may it be sound or light.Energy efficiency , its the efficiency to use less amount of energy and provide same task or same outcome as would have been produced by using more energy.There are various ways to reduce the amount of energy require and still try to produce same outcome in the given time.Energy efficiency all depends on various energy types involved and the process too.To know more about energy efficiency visit:
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Add more detail to this statement to make it more accurate: “The less poisonous newts died and the more poisonous ones lived.” (Hint: start with “The less poisonous newts... and the more poisonous ones...”)
Help guys:)))
Answers
The less poisonous newts in the population were more vulnerable to predation, and as a result, a higher proportion of them died. On the other hand, the more poisonous newts were better protected against predators and were more likely to survive.
Adding more details to a Factual statementThe statement "The less poisonous newts died and the more poisonous ones lived" can be made more accurate by adding more detail about the context in which this occurred. Here's one possible revision:
In a population of newts, some individuals are more poisonous than others. When a predator is introduced to the habitat, the less poisonous newts are more vulnerable and more likely to be eaten. As a result, the less poisonous newts are dying off, while the more poisonous ones are surviving at a higher rate, because their toxicity makes them less appetizing to the predators.
So, in this situation, the less poisonous newts are experiencing higher mortality rates, and the more poisonous ones are experiencing higher survival rates.
This process is an example of natural selection, where certain traits provide a selective advantage and become more prevalent in a population over time.
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Name the primary lymphoid organs.
Name the secondary lymphoid organs
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The primary lymphoid organs are bone marrow and thymus gland, where the T cells and B cells are generated from stem cells The secondary lymphoid organs are lymph nodes, spleen, tonsils, adenoids, and Peyer’s patches
The primary and secondary lymphoid organs are two significant components of the immune system. Both of these work together to keep the body healthy and free of disease.Primary Lymphoid Organs:The primary lymphoid organs are bone marrow and thymus gland, where the T cells and B cells are generated from stem cells.
B cells and T cells are produced in the bone marrow, and the T cells migrate to the thymus gland, where they mature into immune cells that fight against infection and other harmful agents. B cells mature in the bone marrow and are involved in the production of antibodies that neutralize pathogens.
Secondary Lymphoid Organs:The secondary lymphoid organs are lymph nodes, spleen, tonsils, adenoids, and Peyer’s patches, where the immune cells encounter and respond to the antigens. Antigens are harmful foreign substances that enter the body and induce an immune response.
They activate the immune cells and help in the production of antibodies and cytokines, which help the immune system to fight the pathogens effectively.The lymph nodes are small, bean-shaped structures that are scattered throughout the body. These nodes are responsible for trapping the antigens that enter the lymphatic system and initiating an immune response.
The spleen is the largest lymphoid organ, located in the upper left portion of the abdomen. The spleen filters the blood and removes the old and damaged red blood cells. Tonsils, adenoids, and Peyer’s patches are also lymphoid organs that are present in the respiratory and digestive system.
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What is the greatest advantage of using different methods that result in the same outcome?
Answers
Explanation:
I think that if you use different methods that result in the same outcome you will have more chances of getting the required result. This is because you don't know whether one of your methods might work or not, so having many of them help you.
Not sure if I'm correct or not but I hope this helps
Hemophilia is a rare recessive genetic disorder in which the recessive version of the gene does not produce blood-clotting factors. A woman whose father had hemophilia marries a normal man. They have two children: a boy and a girl. What are the chances of the boy being a hemophiliac? _________ What are the chances of the girl being a hemophiliac? _________ Show your work with a Punnett Square.
Answers
Answer:25 , 0
Explanation:
XX©(mother being the carrier as her father was hemophilia- females can only be carrier of hemophilia ) when crossed with normal father produces offspring XX©, XY, XY©, XY. Therefore chances of boy being hemophilia=(1/4)*100=25.
Chances of girl being hemophilia= 0.
Crash Course: Ecology- links in the chain
1. in an ecosystem, energy means
2. The size and scope of an ecosystem has a lot to do with the amount of things like ____?
3. If a cricket has 1 calorie of energy, it needed to eat ____ calories of energy from lettuce or something.
4. Organisms only hold onto ____% of the energy they ingest.
5. It’s safest to eat ____ on the food chain.
6. Things higher on the food chains can higher lower concentration of toxics. (Circle one.)
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Which geologic term or phrase explains why the top stratum in a section of rock is the youngest?
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ANSWER
The principle is called the Law of Superposition.
Body cells reproduce by a process called
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what is the relationship between allele frequency's and a gene pool.
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The African snail is a large snail that eats at least 500 different types of plants and is one of the top 100 invasive species in the world. What is the most likely way the snail was introduced into Florida?
A small animal was carrying one on its fur.
A boy brought a pair home as pets.
Two swam across the ocean.
One stuck to an airplane’s wing.
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Answer:
A boy brought a pair home as pets
What is light? Please respond in 1-2 complete sentences using your best grammar.
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Answer:
In mine own answer, I think light is a source people use to see in the dark or for other reasons it's like something we need in life. Without light how would we live? Where does light come from? I feel like people ask this most of the time. How do we know what light is? All we probably know is that it's a source of light coming from some sort of powerful energy. So basically, light is a type of electromagnetic radiation that allows people to see more clearly in the dark.
Explanation:
Hope this helps!
How can ecosystem-based management help to advance sustainable
natural resources use in Guyana? Develop a plan using this concept
for the conservation of natural resources in Guyana
Answers
Ecosystem-based management is an approach that takes into consideration the entire ecosystem and its interconnected components when making decisions about natural resource use. It can help advance sustainable natural resources use in Guyana by promoting a holistic and integrated approach to conservation and management.
To develop a plan for the conservation of natural resources in Guyana using ecosystem-based management, the following steps can be taken:
1. Identify and understand the ecosystems: Conduct comprehensive assessments to identify and understand the various ecosystems present in Guyana, such as forests, wetlands, rivers, and coastal areas. This will provide insights into the biodiversity, ecological processes, and services these ecosystems offer.
2. Assess the state of the resources: Evaluate the current status and trends of natural resources in Guyana, including flora, fauna, water bodies, and minerals. This assessment will help identify vulnerable or endangered species, areas of high biodiversity, and potential threats.
3. Establish conservation goals and objectives: Define specific conservation goals and objectives based on the assessments conducted. These goals should consider the need to protect biodiversity, maintain ecosystem services, and support sustainable livelihoods for local communities.
4. Engage stakeholders: Involve relevant stakeholders, including government agencies, local communities, indigenous groups, NGOs, and scientific experts. Encourage their active participation in decision-making processes to ensure diverse perspectives are considered.
5. Develop management strategies: Based on the conservation goals and stakeholder input, develop management strategies that integrate the principles of ecosystem-based management. These strategies should focus on protecting key habitats, managing land and water resources sustainably, and minimizing impacts from activities such as mining, logging, and agriculture.
6. Implement and monitor: Put the management strategies into action, ensuring proper enforcement of regulations and policies. Regularly monitor and evaluate the effectiveness of the implemented strategies to identify any necessary adjustments or improvements.
7. Promote education and awareness: Raise awareness among the public and stakeholders about the importance of ecosystem-based management and sustainable natural resource use. Promote education and capacity-building initiatives to empower local communities to actively participate in conservation efforts.
By adopting ecosystem-based management, Guyana can enhance the sustainable use of its natural resources while safeguarding its unique ecosystems and supporting the well-being of its people.
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Which of the following organisms is a heterotroph? a) Rose b) Pine tree c) Deep-sea tubeworm d) None of these
Answers
Since the given organisms prepare their own food, hence none of the organisms mentioned are heterotrophs. Thus, the correct answer is Option D.
Heterotrophs are organisms that depend on other species (plants and animals) for food since they are unable to prepare it for themselves. They are dependent on these producers for food, either directly or indirectly.
The rose and the pine tree, two of the choices given, are both autotrophs since plants can make their own food through photosynthesis. On the other hand, the deep-sea tubeworm is a chemoautotroph, meaning it gets its energy from inorganic substances in its surroundings.
Therefore, the correct answer is Option D.
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as in most areas of biology, the study of mitosis and the cell cycle involves a lot of new terminology. knowing what the different terms mean is essential to understanding and describing the processes occurring in the cell. drag the terms on the left to correctly complete these sentences. not all the terms will be used. view available hint(s)for part a resethelp 1. dna replication produces two identical dna molecules, called blank, which separate during mitosis.target 1 of 8 2. after chromosomes condense, the blank is the region where the identical dna molecules are most tightly attached to each other.target 2 of 8 3. during mitosis, microtubules attach to chromosomes at the .target 3 of 8 4. in dividing cells, most of the cell's growth occurs during .target 4 of 8 5. the blank is a cell structure consisting of microtubules, which forms during early mitosis and plays a role in cell division.target 5 of 8 6. during interphase, most of the nucleus is filled with a complex of dna and protein in a dispersed form called blank.target 6 of 8 7. in most eukaryotes, division of the nucleus is followed by blank, when the rest of the cell divides.target 7 of 8 8. the blank are the organizing centers for microtubules involved in separating chromosomes during mitosis.
Answers
1. DNA replication produces two identical DNA molecules, called SISTER CHROMATID(S), which separate during mitosis.
2. After chromosomes condense, the CENTROMERE(S) is the region where the identical DNA molecules are most tightly attached to each other.
3. During mitosis, microtubules attach to chromosomes at the KINETOCHORE(S)
4. In dividing cells, most of the cell's growth occurs during INTERPHASE
5. The MITOTIC SPINDLE(S) is a cell structure consisting of microtubules, which forms during early mitosis and plays a role in cell division.
6. During interphase, most of the nucleus is filled with a complex of DNA and protein in a dispersed form called CHROMATIN
7. In most eukaryotes, division of the nucleus is followed by CYTOKINESIS, when the rest of the cell divides.
8. The CENTROSOME(S) are the organizing centers for microtubules involved in separating chromosomes during mitosis.
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Full Question:As in most areas of biology, the study of mitosis and the cell cycle involves a lot of new terminology. Knowing what the different terms mean is essential to understanding and describing the processes occurring in the cell.
in an experiment to explore how uv light affects tadpole leg formation, which of the following best describes a control treatment? click or tap a choice to answer the question. a group of tadpoles that is exposed to lower than normal amounts of uv light a group of tadpoles that is maintained under normal amounts of uv light a group of tadpoles that is exposed to higher than normal amounts of uv light a group of tadpoles that is deprived of uv light
Answers
A group of tadpoles that is maintained under normal amounts of UV light would best describe a control treatment.
Why is it important to have a control treatment in the experiment exploring the effects of UV light on tadpole leg formation?Having a control treatment allows researchers to compare the effects of the variable (UV light) on tadpole leg formation to what would normally occur in the absence of the variable, providing a baseline for comparison.
What would be the potential problem if the experiment exploring the effects of UV light on tadpole leg formation did not include a control treatment?Without a control treatment, it would be difficult to determine whether any observed changes in tadpole leg formation were due to the variable (UV light) or simply due to normal variation in tadpole leg formation. This could lead to inaccurate conclusions and a lack of confidence in the results of the experiment.
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The clavicles extend from the acromion of the scapula to the part of the sternum termed the:.
Answers
The clavicles extend from the acromion of the scapula to the part of the sternum termed the sternoclavicular joint.
The sternoclavicular joint, or SC joint, is the joint formed by the articulation of the medial end of the clavicle and the manubrium of the sternum. The clavicle is also known as the collarbone. It is a long bone located in the upper chest region. The clavicle's job is to connect the arm to the body's axial skeleton (trunk). It connects the sternum to the shoulder blade (scapula).
The clavicles extend from the acromion of the scapula to the part of the sternum termed the sternoclavicular joint. The sternoclavicular joint is the joint where the sternum and clavicle come together, and is responsible for connecting the upper limb to the axial skeleton. It is a saddle-shaped joint, with both concave and convex surfaces, and allows for a great deal of mobility. The sternoclavicular joint is the only joint that connects the upper limb to the axial skeleton, and is therefore an important joint for shoulder and arm function.
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Which structures are most important in determining evolutionary relationships between organisms-analogous, homologous or vestigial? Rank the
structures from most to least important with the most important at the top.
=Analogous
Homologous
Vestigial
Answers
The structures that are most important in determining evolutionary relationships between organisms-analogous, homologous or vestigial from most to least important with the most important at the top will be:
Homologous.VestigialAnalogousHow to illustrate the evolution?Analogous traits lack the shared evolutionary history of homologous traits, which allowed them to arise. Because they show evidence of evolutionary relationships, homologous structures are more significant to evolutionary biologists than analogous structures.
The retention of genetically determined traits or structures that no longer serve their original purpose in a given species is known as vestigiality.
In conclusion, the ranking is illustrated above.
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Which describes the plain as a result of constructive and destructive forces? (1 point)Deposition brings in soil and sediments that spread out in a large flat area and build up large flat land.Weathering keeps the plain flat over time, and deposition brings more soil and sediments in.Weathering evenly wears the land down over time, which keeps the area wide and flat.Crustal deformation raises the land up, and weathering then flattens the raised area out.
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Some forces can be qualify as constructive and destructive in a same time, being common in volcanoes, deposition, erosion, and weathering. Constructive forces include volcanic eruption, deposition of sediment, and crustal derfomation, while weathering and erosion are destructive forces. The flat result of a region can be describes by the weathering keeps the plain flat over time, and deposition brings more soil and sediments in.
the primary legislation for protecting biodiversity in the united states is the __________.
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The primary legislation for protecting biodiversity in the United States is the Endangered Species Act. The Endangered Species Act (ESA) is a significant federal law in the United States designed to protect species that are endangered or threatened with extinction throughout all or a significant portion of their natural range.
The ESA seeks to secure the ecosystem upon which the endangered or threatened species depend, while still enabling other uses of the land. It offers for the conservation of these species and the ecosystems upon which they depend by avoiding extinction, enhancing the recovery of endangered and threatened species, and prohibiting take of listed species without special approval.
The ESA, enacted in 1973, is administered by the United States Fish and Wildlife Service (FWS) and the National Oceanic and Atmospheric Administration (NOAA). In the United States, endangered species are defined as those species that are at risk of extinction throughout all or a significant portion of their natural range, while threatened species are those species that are likely to become endangered in the future.
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What is the theory of plate tectonics, and what are two ways this theory has been beneficial society?
Answers
Which of the following is not a characteristic of life?
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Answer:
Dying? I think
Explanation:
Contrapposto is defined as:
O a photographic print process using gum Arabic.
an asymmetrical arrangement of the human figure.
a German term to denote devotional images used to aid prayer.
diagonal lines the recede into fictive space.
Answers
Answer:
an asymmetrical arrangement of the human figure.
Explanation:
Contrapposto is an Italian term and it is use in visual art to describe
an asymmetrical arrangement of the human figure in which the line of the arms and shoulders contrasts with and balances the line of the hips and legs. It was an important sculptural development,it unveiling marks the first time in Western art that the human body is used to expression of relaxed physiological disposition.
Select the correct statement about the factors that limit the growth of a population.
a. If a factor limits population growth, increasing its availability will increase population growth.
b. The most important factor limiting population growth is the scarcest factor in that area.
c. Density-dependent factors are biotic; density-independent factors are abiotic.
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The light reaction requires
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Answer:
a light reaction needs sunlight to begin
Describe how water travels through a watershed.
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Answer:
The entire area of land that drains water into a river is known as a river basin. The vast majority of this water flows into seas and oceans, although some evaporates, another is absorbed by living beings and another is trapped underground
in addition to keratinocytes, the stratum spinosum also contains another epidermal cell type called epidermal ______ cells that help to fight infection.
Answers
Keratinocytes are differentiated skin cells found in the outermost layer of the epidermis. Dendritic cells are antigen-presenting cells that play important roles in the adaptive immune response.
In addition to keratinocytes, the stratum spinosum also contains another epidermal cell type called epidermal DENDRITIC cells that help to fight infection.The stratum spinosum is an epidermal skin layer between the stratum granulosum and stratum basale.Dendritic cells are antigen-presenting cells that are capable of processing harmful antigens in order to present them on the cell surface to the T cells of the immune system.Learn more in:
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Decreased H+ will have what effect on ventilation and which acid-base balance disorder would it be compensating for?
Answers
When acid-base disorder balances or imbalances then, they would be compensated for by decreased H+ in terms of ventilation and respiratory acidosis.
The main causes of respiratory acidosis are inadequate ventilation and carbon dioxide buildup. A clinical condition known as acidosis is characterized by an abnormal increase in hydrogen ions (H+) in the extracellular fluid. Reduced ventilation results in less carbon dioxide (CO2) leaving the body, which raises PCO2 levels and reduces pH.
Hypoventilation is the main issue that leads to respiratory acidosis. The respiratory reaction to metabolic alkalosis also includes hypoventilation. By hyperventilating, the respiratory system can also reduce CO 2. This results in a reduction in [H+] and an alkalosis.
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what happens when a myosin head releases from actin? multiple choice question. ach binds to troponin. the filament slides back to the resting position. the filament remains in the same place. calcium is transported back into the t-tubules.
Answers
The correct option is: The filament remains in the same place.
ADP phosphate is formed when ATP hydrolyzes. This releases energy, allowing the myosin protein to be cocked into this high energy position and sort of attach to the next rung of our actin filament. We're currently in a high-energy state. The phosphate is released in step three.
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