Sickle cell anemia is known to run in a family. A pedigree chart for this family is shown below.

What best describes offspring 4?

A female carrier of the disease
A female having the disease
A male carrier of the disease
A male having the disease

Answer:

The law of conservation of mass states no matter is created or destroyed. This means that the matter currently on Earth is the only matter that will ever be available to us. However, it also means that this matter will not be destroyed. So, water, oxygen, carbon, and nitrogen are all used by living things in our world and then recycled to be used again.

One example of this is the water cycle. More water is never added or taken from the world, it is just reused. First, water starts in some body of water and then evaporates into the air. Then, the water falls back to Earth as precipitation.

b) coronary-artery disease

Higher plants have a polar main axis with a definite stem and root ends. This polarity is first established in the embryo of the seed.

Generally, The fertilized ovule is an immature plant from which a new plant will grow.

In conclusion, Plant embryos are the starting point for pattern formation.

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Answer:

1 false

2 False

3 True

Explanation:

Sorry cannot explain three question right now i definetly will tommorow you can count on me

A wetland is an area that has a shallow body of water and is a habitat of several species.

A wetland is an area that has a shallow body of water and is a habitat of several species. Many times, wheat crops are often grown on such marsh lands.

Now that the marshland was sand filled to create a park, the demolition of the park and the restoration of the wetland could lead to huge economic looses. On the other hand, the restoration of the park will lead to the preservation of important biodiversity.

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Answer:

Cancer

Explanation:

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Answer:

B. Protista

Explanation:

The Kingdoms in taxonomy are eubacteria, archeabacteria, protista, fungi, plantae, and animalia.

a. Mammalian describes a mammal

c. Prokaryotes are a kind of cell

d. Chordata is a kind of phylum

Answer:

Explanation:

Answer:

Similarly,

are also homologous to the human arm. Such structures are said to have diverged over time, indicating that at one time, they may have had the same function in the common ancestral organism.

Explanation:

Answer:

B. Earthquakes

Explanation:

Earth quakes are a result of tectonic plates shifting. All of these other ones are not a result of movement of tectonic plates.

Answer: anatomical features

Explanation:

Molecular systematics might examine all of the following types of data except anatomical features.

Explanation:

Most of the amino acid pool is used for the synthesis of protein and other nitrogen-containing compounds such as DNA bases, neurotransmitters, hormones, etc. Under certain metabolic situations, amino acids can also be used as a source of energy by the body.

Answer:

The pancreas is really the enzyme “powerhouse” of digestion. It produces the most important digestive enzymes, which are those that break down carbohydrates, proteins and fats.

Answer:

An increased hematocrit increases blood 50% which increases the relative viscosity from 4 to 8 resistance to blood flow.

Answer:

On the top of the mountains under the soil

Explanation:

if it's right I'm pretty shure yes

Answer:

Likely the government selling off the prairie

Explanation:

Everyone is losing out on the prairie getting sold to a private corporation, hence why this is the tragedy of the commons

The scenario in which the land is most likely to be degraded as a result of the "tragedy of the commons" is a national forest that suffers from erosion due to the use of all-terrain vehicles. Thus, the correct option for this question is D.

Land degradation may be defined as the process through which the value of the biophysical environment is affected by a combination of human-induced processes acting upon the land. All these influences gradually reduce or lose the biological or economic productivity and complexity of rain.

A national forest that suffers from erosion due to the corresponding utilization of all-terrain vehicles ruptures the soil productivity due to erosion. This finally leads to the degradation of land with respect to the "tragedy of the commons".

Therefore, the correct option for this question is D.

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Answer:

Basis of Texture and Mineral Composition

Explanation:

As with igneous and sedimentary rocks, metamorphic rocks are classified on the basis of texture (grain size, shape, orientation) and mineral composition.

An experimental cross where only a single character is considered (for example, flower color) is called monohybrid.

A monohybrid cross is a type of genetic cross where only one phenotypic trait is assessed in the offspring.

This phenotypic trait can be any observable feature of the individual (for example, flower color in plants).

The monohybrid cross is very useful to understand the inheritance pattern of a particular trait.

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Answer : Atherosclerosis

25:25 ratio shows the probability that the two sunflower plants will produce a sunflower plant with a genotype of tt.

The genotype of an organism is its complete set of genetic material. Genotype can also be used to refer to the alleles or variants an individual carries in a particular gene or genetic location.

A genotype is a scoring of the type of variant present at a given location (i.e., a locus) in the genome. It can be represented by symbols. For example, BB, Bb, bb could be used to represent a given variant in a gene.

A genotype is the specific DNA that an organism inherits from its parents. A phenotype represents every possible way that the genotype manifests itself in the organism.

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Answer:

A connective tissue sheath called the epineurium surrounds each nerve. Each bundle of nerve fibers is called a fasciculus and is surrounded by a layer of connective tissue called the perineurium.

Answer:

chromium

Explanation:

it is 24th element,1st element in group 6

name the 24th element on the periodic table is chromium

the image shows flat sedimentary rock layers in the foreground and angled sedimentary rock layers in the background is they were deposited horizontally and then shifted by a geologic event

Specializations of the small intestine are related to surface absorption it doesn't include Peyer's patches.

It lies between the stomach and the large intestine and is by far the longest part of the digestive tract.

It presents various specializations that guarantee an increase in the surface area for absorption of nutrients such as circular folds, microvilli, villi.

Therefore, we can conclude that specializations of the small intestine are related to surface absorption it doesn't include Peyer's patches.

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Ocean acidification can negatively affect marine life, causing organisms shells and skeletons made from calcium carbonate to dissolve. The more acidic the ocean is, the faster the shells dissolve.

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Organisms depend on pH for living in aquatic life, because due to acidification carbonate is lost, which is the main basic ingredient of saltwater.

Carbonate, a main basic ingredient of salt water, is lost as a result of ocean acidification. This makes it more challenging for marine organisms to develop shells and skeletons.

Ocean acidification is sometimes called to as "sea osteoporosis" with a great cause. Ocean acidification can dissolve the minerals used by oysters, clams, lobsters, shrimp, coral reefs, and other sea animals to create their shells and skeletons.

Human health is also an issue, when the acidity of the water increases, the mucus on fish gills hardens, limiting the quantity of oxygen that may enter. This is why pH changes regularly result in fish deaths.

Therefore loss of carbonate from the ocean, the pH of the ocean affects the marine organisms.

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The order of the meninges from superficial to deep includes the dura mater, arachnoid mater, and pia mater.

The meninges are specific membranous layers of the nervous system that protect it from damage and infections.

The meninges protects the brain and spinal cord from different agents (both internal and external factors).

The infections in the meninges may be serious health complications and therefore these layers are fundamental to protect us.

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Answer:

c. carbohydrate

Explanation:

Simple carbohydrates:

These carbohydrates are composed of sugars (such as fructose and glucose) which have simple chemical structures composed of only one sugar (monosaccharides) or two sugars (disaccharides).