A dihybrid cross experiment is carried out on pocket mice. The traits being observed are fur color and tail length. In the F2 generation, 54 mice are dark brown with long tails, 18 mice are dark brown with short tails, 18 mice are tan with long tails, and 6 mice are tan with short tails.

Which traits are dominant?

tan fur, long tail

tan fur, short tail

dark brown fur, short tail

dark brown fur, long tail​

Answer:

Occur later in development

Answer:

This question appears incomplete

Explanation:

This question appears incomplete. However, one similar substance that, if missing, many cycles (particularly the two cycles/processes provided in the question) will not exist/proceed is the sun/sunlight.

In the water cycle for instance, if there is no sun/sunlight, there will be no heat to allow for evaporation of water from the water-body (ocean, sea, stream or lake) hence there will be no cloud of water droplets in the atmosphere. The implication of this is that, the first process of the water cycle will not proceed, hence the cycle will not exist.

During photosynthesis, carbondioxide reacts with water in the presence of sun/sunlight to produce glucose and oxygen. The absence of sun in this reaction will not lead to the production of glucose which is the useful product of photosynthesis for plant.

From the explanation above, it can be deduced that the absence of the sun/sunlight will prevent the two cycles from existing.

Before this, scientists believed that every cell in the body were capable of being cloned, or the first answer option. This conducted the researchers to carry lab surveys that eventually would form a cloned organism from another sheep.

Answer:

Blending into darkened tree bark hid them from predators.

Explanation:

Answer: b. Blending into darkened tree bark hid them from predators.

Explanation: pearson/gradpoint

The brain and spinal cord are part of the central nervous system.

The electrical charges that act as nervous signals are called action potentials or nerve impulses.

Jellyfish do not have a brain. Instead, their nervous system is called a nerve net.

After nervous systems began to develop in bilaterally symmetric animals, some developed ventral nerve cords, while chordates developed dorsal nerve cords.

Skeletons that allow for movement by using muscles and squeezing liquid to change the body shape are called hydrostatic skeletons.

Exoskeletons do not grow with arthropods, and so occasionally must be shed and regrown from chitin.

Muscles move endo- and exoskeletons by contracting and relaxing.

Fertilization is the joining of two gametes called sperm and egg.

A fish that lays her eggs in a cluster is initiating cluster or mass fertilization.

Amniotic eggs are an adaptation by reptiles to allow for reproduction and embryo development on land.

Describe three different strategies used by three different animals to thermoregulate.

If you see a snake coiled up in a sunny patch of grass, what can you probably conclude about the type of thermoregulator it is. Why?

If you see a snake coiled up in a sunny patch of grass, you can probably conclude that the snake is an ectotherm. Ectotherms rely on external heat sources, such as the sun, to regulate their body temperature. By basking in the sun, the snake absorbs heat, which helps raise its body temperature to a suitable level for proper physiological functioning.

Answer:

1. central

2. action potential

3. nerve net

4. dorsal

5. hydrostatic

6. Exoskeletons

7. contraction/contracting

8. Fertilization

9. external fertilization

10. Eggs

11. Animals with fur thermoregulate by panting. Winged birds will flap against their mouths/heads to dissipate heat. Humans will produce sweat to evaporatively cool. Polar bears have developed blubber. Bears drop body temperatures during hibernation.

12. Seeing a snake using the warmth of the sun leads us to conclude that it is likely a thermo conformer that cannot produce its own body heat.

Answer:

Light cannot escape from within a black hole, but the matter falling into a black hole can get pretty hot before it falls in. This heating is due to the fact that matter accelerates near black holes. matter emits lots of light and other radiation as it falls into a black hole.

I hope this helps you!

Answer:

Gray wolf->Rabbit->Clover plant

Explanation:

The wolf eats the rabbit and the rabbit eats the clover plants

Parasites that cause human disease can be classified into different groups based on their characteristics and the diseases they cause. Here are some examples:

1. Protozoa:

  - Example: Plasmodium falciparum

  - Disease: Malaria

  - Location in Host: Plasmodium parasites reside and multiply within red blood cells.

  - Mode of Transmission: Mosquitoes (Anopheles species) transmit the parasite to humans through their bites.

2. Helminths (Worms):

  - Example: Ascaris lumbricoides

  - Disease: Ascariasis

  - Location in Host: Adult worms reside in the small intestine.

  - Mode of Transmission: Ingestion of eggs present in contaminated food, water, or soil.

3. Nematodes (Roundworms):

  - Example: Enterobius vermicularis

  - Disease: Enterobiasis (Pinworm infection)

  - Location in Host: Adult worms inhabit the large intestine, while females migrate to the perianal area to lay eggs.

  - Mode of Transmission: Ingestion of infective eggs, which are usually transferred from contaminated surfaces or through direct contact with an infected person.

4. Trematodes (Flukes):

  - Example: Schistosoma mansoni

  - Disease: Schistosomiasis (Bilharzia)

  - Location in Host: Adult worms reside in the blood vessels surrounding the intestines and liver.

  - Mode of Transmission: Contact with water bodies infested with freshwater snails that release the parasite larvae, which can penetrate the skin of humans.

5. Cestodes (Tapeworms):

  - Example: Taenia solium

  - Disease: Taeniasis (Tapeworm infection)

  - Location in Host: Adult worms reside in the human intestine, where they attach to the intestinal wall.

  - Mode of Transmission: Consumption of undercooked or raw contaminated meat containing the larvae or ingestion of food or water contaminated with eggs.

It's important to note that this list provides only a few examples, and there are numerous other parasites that can cause diseases in humans. The diseases mentioned here represent a fraction of the many parasitic infections that can occur, and each parasite has its unique characteristics, geographical distribution, and mode of transmission. Proper diagnosis, treatment, and preventive measures are essential for managing these parasitic infections.

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During light condition, starch formation increases.

The amount of starch formation represented by the arrow can be increased in the presence of light because in the chloroplast of leaves, starch is synthesized during the day and degraded during the night.

Starch is a polysaccharides which is made up of a long chain of glucose. The sub units that for starch are glucose atom and we know that glucose is produced in the process of photosynthesis so we can conclude that during light condition, starch formation increases.

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Answer:

B, C, D, E

Explanation:

I took the test and got it right yw :)

Answer:

bcde

Explanation:

got it right on test

Answer:

A

Explanation:

LADO Muji rAndi ko xora muji LADO chus

Answer:

Natural selection, the keystone of evolution, can switch direction in a matter of months, a novel experiment on lizards reveals.

Answer:

The long-legged adaptation helps the trunk-ground anoles not only catch prey on the ground but also avoid predators that live in their habitats. However, when placed in the habitat of the twig anoles, where twig anoles can move easily with their short legs, the trunk-ground anoles are clumsy

Hurricane is the limiting factor because it kills animals and destroys their habitats.

Anything that limits the size of a population and slows or prevents its growth is referred to as a limiting factor. Biologic factors including food, mates, and competition with other species for resources are some examples of limiting constraints.

Limiting considerations include things like access to food, drink, light, space, shelter, and partners. Individuals will die through malnutrition, desiccation, stress, or failure to reproduce if an organism, group, or population lacks the resources to survive.

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Answer: A. It showed how the red scare had influenced attitudes toward immigrants

Explanation:

There was a rise for nationalism( a negative thing mind you, that discriminates against "non-Americans") in the early 20s, and it affected most of Americas judgement of a fair trail (and treatment in general) towards immigrants.

Answer:

Natural selection is not random because

Explanation:

Natural selection is not random because it is based on fitness in the context of environmental conditions. This, more often than not, implies logical choices based on given external parameters. For example, if the weather remained cold, selection would go to those who are fit in the cold not those who are fit in the hot weather.

Answer:

Chemical energy

Explanation:

We get chemical energy from foods, which we use to run about, and move and talk (kinetic and sound energy). Chemical energies are stored in fuels which we burn to release thermal energy - this is one way of making electricity, see Electricity for more information.

Part A -The likelihood of having Autosomal Recessive Disorder is 1 in 10,000 people = 0.0001.

Part B - Inbreeding increases the probability of disorder.

Autosomal Recessive Disorder inheritance is the way genetic traits or conditions are passed from parent to child. Genetic conditions can occur when a child inherits a mutated (altered) copy of the gene from each parent. Parents of children with an autosomal recessive disorder usually do not have the disorder. Consanguineous offspring may be at increased risk for recessive diseases due to the expression of autosomal recessive gene mutations inherited from a common ancestor.

The following Genotypes can be found in the first two cousins:

A stands for dominant allele.

a denotes a recessive allele.

1) AA X AA

Normal for all offspring.

There are no problems.

2) AA X Aa

Genotype of offspring = AA and Aa.

Because the phenotype is normal, the condition does not exist.

3) Aa X Aa

Genotype of offspring = AA, Aa, and aa.

The condition affects one-quarter of all offspring.

1/4 are typical,

Half of them are carriers.

4) aa X aa

All offspring are afflicted by the condition.

If we assume the cousins to be carriers[because their genotype is not indicated, we will consider them to be carriers], affected kids are generated.

Carriers' probability = 0.02

By 1/2, both cousins are carriers.

And the likelihood that the child may be impacted - 1/4 or 25%

Total Probability is equal to 1/2 * 0.02 * 1/2 * 0.02

= 0.0001

As a result, the pair might have afflicted offspring by 0.0001.

Possessing the normal alleles has no effect on 25% of people; carrying one impacted and one unaffected allele has no effect on 50% of people. Carrying the afflicted Alleles affects 25% of the population.

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Answer:

12 billion years and beyond

Explanation:

Scientific evidence shows that the physical and behavioral traits shared by all people originated from apelike ancestors and evolved over a period of approximately six million years. One of the earliest defining human traits, bipedalism -- the ability to walk on two legs -- evolved over 4 million years ago.

The ways to observe that a chemical change has occurred when two substances come in contact with one another are as follows:

A chemical change is a any process in which reactants are changed into products by the breaking or creation of chemical bonds.

A chemical change is opposed to a physical change in the sense that a physical change affects only the form of a chemical substance, but not its chemical composition.

The ways to observe if a chemical change has occured are as follows:

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Answer:

(Question) Which of the following is an example of only a physical change?

(Answer) dry ice becoming vapor

(Question) Which of the following demonstrates a chemical change?

(Answer) iron (Fe) reacting to water((H2O)) and oxygen(O) to form iron oxide(Fe2O3)

(Question) Which of the following is a reliable way to observe that a chemical change has occurred when two substances come in contact with one another?

(Answer) conduct a test to determine the chemical makeup of the molecules

(Question) Which of the following happens during a chemical change but does not happen during a physical change?

(Answer) Atoms of one or more substances rearrange into a new substance.

(Question) Which of the following example demonstrates the reversibility of a chemical change?

(Answer) recharging batteries

Explanation:

i just finished the quick check. enjoy

Answer:

Dissacharides are very important for many things in the body. They provide fuel for the cells, which ultimately determine our quality of life since their fuel regulates blood glucose levels, erythrocyte membrane stability, erythrocyte osmotic fragility and immunological competence.

An increase in lipid oxidation is seen when glucose intake is increased through high dissacharide consumption and may be helpful to individuals with non-insulin dependent diabetes mellitus (NIDDM) type 2D who have lipid disorders such as hyperlipidemia that use dissacharide consumption change lipid levels and decrease their chances of developing atherosclerosis. This also helps people with NIDDM type 2C get rid of

Explanation:

Answer: True

Explanation:

This was a bacterial fermentation that produced acetone, needed for cordite (explosive) manfacture. Species of Clostridium were used.

Answer:

i dont know but i hope you do well on your assingment.

Explanation:

ans is even chance means 50/50

Explanation:

they have 50/50 chance

The required probability is 0.0625 or 6.25% that Louise and Robert will have two girls and two boys in any order.

Probability is defined as the possibility of an event being equal to the ratio of the number of favorable outcomes and the total number of outcomes.

The probability of having a girl or a boy is 0.5 (assuming the chance of having either is equal).

To determine the probability of having two girls and two boys in any order, we can use the multiplication rule of probability.

In this case, we can break the problem down into 4 independent events:

The probability of the first child being a girl

The probability of the second child being a girl

The probability of the third child being a boy

The probability of the fourth child being a boy

Each event has a probability of 0.5, so we can multiply these probabilities together to find the overall probability:

(0.5) × (0.5) × (0.5) × (0.5) = 0.0625

So the probability that Louise and Robert will have two girls and two boys in any order is 0.0625 or 6.25%.

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Answer: none of the above

Explanation: done it before

Several genetic mechanisms for defense against age-related disease may be studied in the genomes, according to scientists.

The numerous ways in which an individual interacts with some of its environments, whether in its responses to predators, food sources, and habitat, or in its relational or monogamous relationships with conspecifics, appear to be influenced by its behavioral phenotype.

Yes, it is conceivable for two people to have distinct genotypes and the same phenotype. Each parent contributes one allele to an individual, which may be considered dominant or recessive depending on the trait.

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According to the information, it can be inferred that the chart that shows the water flowing from 1,200 m elevation to 1,000 m elevation is C3.

To identify the picture that shows the water flowing from 1,200 meters to 1,000 meters of elevation, we must analyze the map legends. If we look at the C4 painting, it is the highest point of that mountain with 1,320 meters of height.

Due to the above, it can be inferred that the lines around it represent lower heights. For example, in the case of table C3, it represents a drop of 200 meters in elevation that ranges from 1,200 to 1,000 meters. So, that is the picture that shows that unevenness.

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Evidence from studies of brain lesions and neuroimaging techniques supports the concept of localized functions in specific brain structures during the execution of behavior and mental processes.

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Science is the process by which knowledge is created. Despite the fact that scientists reject the idea of discovering perfect truth and accept some uncertainty as a part of nature, the majority of scientific knowledge is enduring.

Cell theory is a biological theory first proposed in the mid-nineteenth century that states that living organisms are made up of cells, that cells are the basic structural/organizational unit of all organisms, and that all cells originate from pre-existing cells. The following are the basic tenets of cell theory: Every living thing is composed of one or more cells. All living things are made up of cells, which are structural and functional units. Cells are formed by the division of pre-existing cells. In terms of chemical composition, all cells are the same.

Theodor Schwann proposed the classical cell theory in 1839. This theory is divided into three parts. The first section asserts that all organisms are made up of cells. Other living cells produce all existing cells. Other living cells produce all existing cells. The cell is the most fundamental unit of life.

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