The chromosomal mutation is C. Nondisjunction .Therefore , C. Nondisjunction is correct .
There are a number of factors that can increase the risk of nondisjunction, including:
Age: The risk of nondisjunction increases with age, especially in women.
Genetic factors: People with certain genetic conditions are at increased risk of nondisjunction.
Environmental factors: Exposure to certain environmental toxins, such as radiation, can also increase the risk of nondisjunction.
There is no cure for nondisjunction, but there are a number of things that can be done to manage the symptoms and improve the quality of life of people with nondisjunction-related birth defects.
Here are some additional details about nondisjunction:
Nondisjunction can affect any chromosome, but it is most common on chromosomes 21, 13, and 18.
Nondisjunction is estimated to be the cause of 50-60% of all miscarriages.
Nondisjunction is also the cause of some stillbirths and birth defects.
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Identification of mutation type, such as point mutation, silent mutation, insertion, deletion, transversion, or transition, depends on the specific changes in DNA or RNA sequences. For example, a change in a single base pair signifies a point mutation.
A thorough identification of the type of mutation seen on Chromosome 20 goes beyond merely looking at the question diagram. It depends on the specific alteration of the DNA or RNA sequences. Several types of mutations exist including point mutations, silent mutations, insertions, deletions, transversions and transitions, among others.
As an illustration, suppose the mutation involved a single base pair alteration, this would be a point mutation where one nucleotide is substituted with another. Transversions involve switching a purine with a pyrimidine or vice versa. If the mutation led to an addition or removal of a base pair, this would be termed an insertion or deletion respectively. Occasionally, a fraction of DNA from one chromosome may get transported to another chromosome or a different part of the same chromosome, a scenario known as translocation.
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Groundwater use decreased from preindustrial times to industrial times.
b.
Groundwater use increased from preindustrial times to industrial times.
c.
Groundwater use remained virtually the same from preindustrial to industrial times.
d.
Groundwater was not used during preindustrial times.
The correct option is B.
Ground water refers to those water sources that are found underneath the ground in rocks, sand and soils. The quantity of ground water that were utilized during the pre-industrial period is very small compare to the amount that is utilized during the industrial time. And this has led to a significant decrease in the amount of ground water available today. Other factors that had led to shortage in ground water include pollution and lack of precipitation.
Due to the invention of drilling tools, groundwater use increased from preindustrial times to industrial times.
Ground water refers to water that is found underground in between layers of rocks.
In the preindustrial times, most water used was surface water. However, during the industrial times with the invention of equipments that could drill deep underground, the use of ground water increased.
Therefore, groundwater use increased from preindustrial times to industrial times.
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b. nonconformity
c. angular unconformity
Answer:
The correct answer to the question: Which type of unconformity exists between parallel layers of sedimentary rock, would be, A: Disconformity.
Explanation:
In general, when talking about geologic positioning of rocky layers, and sediment, we talk about how these layers were formed throughout time, and, if there is discontinuation of the sequence in which the layers should have been formed. Geologists then study these divergences in rock-layer formation and have found that there are several types, affected mostly by erosion and inconsistencies in rock deposition, which might come to divide, or affect the continuity of layers, or strata, of different ages. This is called unconformity. Discomformity is precisely a type of unconformity in which there is a discontinuation of the expected deposition of rock between two layers of different ages, and it happens between parallel layers of sedimentary rock. This is why the answer is A.
Answer:
Primary succession
Explanation:
The process by which new land formed by volcanic activity in Hawaii becomes inhabited by organisms over time is called ecological succession.
In Hawaii, the formation of new land through volcanic eruptions, particularly from the Kīlauea volcano, creates a barren landscape devoid of living organisms. The initial colonization of this freshly formed land by the first living organisms is a process known as ecological succession. This process unfolds over time as a series of changes, where pioneer species, often hardy and adaptable, are the first to establish a foothold on the barren surface.
These pioneer species gradually alter the environment, making it more suitable for other, often more complex, organisms to follow. As succession progresses, a variety of plant and animal species populate the area, leading to the development of a diverse and stable ecosystem.
The entire process of ecological succession, from the colonization of pioneer species to the establishment of a mature and stable community, reflects the dynamic interactions between living organisms and their environment, showcasing the resilience and adaptability of life in the face of changing landscapes.
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c. Pollinator attraction
b. Breeding
d. Sexual selection
Answer:
pollinion atraction
Explanation: