The most viral function of Earth's magnetic field is to protect our planet from the harmful effects of solar and cosmic radiation.
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Inside a water molecule, hydrogen and oxygen are connected by polar covalent bonds. This results from oxygen's higher electronegativity, causing the shared electrons to spend more time near the oxygen atom, creating a polarity. Hydrogen bonds, although not found within single water molecules, exist between different water molecules and contribute to water's overall properties.
The bonds found inside a water molecule between hydrogen and oxygen are polar covalent bonds. A covalent bond is established when electrons are shared between atoms. In a water molecule (H2O), electrons are shared between hydrogen and oxygen. However, oxygen has a greater electronegativity than hydrogen, causing the shared electrons to spend more time closer to the oxygen atom, hence creating a polarity.
Sometimes, a weaker bond known as a hydrogen bond, which is a type of dipole-dipole interaction, can be found between water molecules. Although these are not found inside a single water molecule, they are crucial for the properties of water as a whole.
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fern
moss
flowering plant
Answer:
Homologous chromosomes do not function the same in mitosis as they do in meiosis. Prior to every single mitotic division a cell undergoes, the chromosomes in the parent cell replicate themselves. The homologous chromosomes within the cell will ordinarily not pair up and undergo genetic recombination with each other.
C. Cystic fibrosis D. Achondroplasia Question 2: Which of the following statements is true with X-linked dominant genetic disorders? (0.25 point ) A. Affected mothers have 100 percent affected daughters
B. Affected mothers have 100 percent affected sons C. Affected fathers have 100 percent affected daughters D. Affected fathers have 100 percent affected sons Question 3: Hemophilia is an X-linked recessive disorder. A hemophilia carrier is married to a person with hemophilia. Which of the following would be expected to see in their offspring? ( 0.25 point ) A. All sons are affected B. All daughters are unaffected C. All sons are affected and 50 percent of daughters are unaffected D. Fifty percent of daughters and sons are affected. Question 4: In case of autosomal recessive disorders, which of the following statements is true? ( 0.25 point) A. If one parent is affected, all children will be unaffected. B. If both parents are affected, all children will be affected
C. If both parents are affected, all sons will be affected but no affected daughters D. If a child has the disease, one of his or her grandparents will have the disease
Questions 5-8 (1 point each): Please see the pedigrees in the attached powerpoint presentation. For each pedigree, determine the most likely mode of inheritance. The options are: A. X-linked recessive B. Autosomal dominant C. Mitochondrial D. Autosomal recessive E. X-linked dominant
Answer:
Question 1: Familial hypercholesterolemia
Answer: A. Familial hypercholesterolemia
Question 2: X-linked dominant genetic disorders
Answer: B. Affected mothers have 100 percent affected sons
Question 3: Hemophilia carrier married to a person with hemophilia
Answer: D. Fifty percent of daughters and sons are affected.
Question 4: Autosomal recessive disorders
Answer: B. If both parents are affected, all children will be affected
Questions 5-8: The most likely mode of inheritance for each pedigree cannot be determined without reviewing the attached powerpoint presentation.
Explanation:
The most likely mode of inheritance for each pedigree is:
Autosomal dominantAutosomal recessiveAutosomal recessiveX-linked recessiveAutosomal dominantAutosomal recessiveAutosomal dominantAutosomal recessiveThe genetic disorder that exhibits reduced penetrance is Familial hypercholesterolemia. Reduced penetrance refers to the situation where individuals with the disease-causing mutation do not show any symptoms or have a milder form of the disorder. In Familial hypercholesterolemia, individuals with the mutation may have varying levels of high cholesterol, but not all of them will develop severe cardiovascular problems.
The true statement about X-linked dominantgenetic disorders is that affected fathers have 100 percent affected daughters. This means that if a father has an X-linked dominant disorder, all of his daughters will inherit the disorder.
In the case of a hemophilia carrier being married to a person with hemophilia, the expected outcome for their offspring is that all sons are affected and 50 percent of daughters are unaffected. Hemophilia is an X-linked recessive disorder, which means that it is more commonly seen in males. Sons inherit the affected X chromosome from their mother, while daughters have a 50% chance of inheriting the affected X chromosome.
In the case of autosomal recessive disorders, the true statement is that if both parents are affected, all children will be affected. Autosomal recessive disorders require both copies of a gene to be mutated in order for the disorder to be present. If both parents are carriers of the mutated gene, there is a 25% chance that each child will inherit two copies of the mutated gene and therefore be affected by the disorder.
For each pedigree, the most likely mode of inheritance can be determined by analyzing the pattern of affected individuals in the family. The options are:
Learn more about modes of inheritance in genetic disorders here:
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Eliminate
B) Herbivores would be forced to change into carnivores.
C) The flow of energy in the ecosystem would be affected.
D) The exchange of carbon dioxide in the ecosystem would increase"
The correct answer is option C
If the forest cover in an ecosystem is reduced from 50% to 20%. The most likely effect is that the flow of energy in the ecosystem would be affected.The forest means the green plants that are also known as the producers of the ecosystem and they transfer energy to the consumers and the ecological balance is maintained. If there will be less producers then the flow of energy in the ecosystem will be affected.
Answer:
c
Explanation:
c