Which of the following scientist contributed to the current of understanding genetics

Answers

Answer 1

Answer:

Answer:

Explanation:

Several scientists have made significant contributions to our current understanding of genetics. Here are a few examples:

1. Gregor Mendel: Mendel is often referred to as the "father of genetics." In the 19th century, he conducted groundbreaking experiments with pea plants and discovered fundamental principles of inheritance. His work laid the foundation for our understanding of how traits are passed down from one generation to another.

2. James Watson and Francis Crick: In the 20th century, Watson and Crick, along with Maurice Wilkins, elucidated the structure of DNA. Their discovery of the double helix structure in 1953 revolutionized our understanding of how genetic information is stored and transmitted. This laid the groundwork for modern molecular genetics.

3. Rosalind Franklin: Although often overshadowed, Franklin played a critical role in the discovery of DNA's structure. Her X-ray crystallography images provided crucial evidence that helped Watson and Crick develop their model. Franklin's work contributed to our understanding of DNA's physical properties and its role in inheritance.

4. Barbara McClintock: McClintock's research on corn plants in the mid-20th century revealed the existence of "jumping genes" or transposable elements. Her findings challenged the traditional view of genes as fixed entities and highlighted the dynamic nature of genetic material. McClintock's work earned her the Nobel Prize in Physiology or Medicine in 1983.

These scientists, along with many others, have made significant contributions to our understanding of genetics. Their discoveries have paved the way for further advancements in the field, leading to breakthroughs in areas such as genetic engineering, gene therapy, and personalized medicine.

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Manuel releases a pendulum bob. The drawing shows its path. At which point does the pendulum bob have the most gravitational potential energy? A. point B B. point C C. point D D. no differences

Answers

The right answer for the question that is being asked and shown above is that: "A. point B." Manuel releases a pendulum bob. The drawing shows its path. At point B does the pendulum bob have the most gravitational potential energy.

An interaction between two organisms in which one usually benefits is known as

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Symbiotic relationship /Interaction

In a symbiotic relationship, two organisms live in close association and at least one of them is benefited out if this association.

There are basically three types of symbiotic relationships –

a) Mutualistic Relationship – In this both the organisms living in association get benefited.

b) Commensalism Relationship – In this association, one organism is benefited while the other is neither benefited nor harmed

c) Parasitic Relationship – In this association, one organism is benefited while the other one is harmed.

Answer:

Symbiotic

Explanation:

Which of the following provides the best example of how comparative embryology supports the theory of evolution?Humans do not lay eggs as birds do, but birds produce yolk sacs instead of embryos, suggesting birds evolved later than humans.
Humans have a tailbone that is not visible during embryonic development, which suggests that humans evolved to not depend on their tailbone serving a useful purpose.
Humans do not have gills as fish do, but human embryos have gill slits, suggesting humans and fish share a common evolutionary ancestor.
Humans have embryonic cells that develo

Answers

The right answer for the question that is being asked and shown above is that: "Humans do not have gills as fish do, but human embryos have gill slits, suggesting humans and fish share a common evolutionary ancestor." This is the statement that provides the best example of how comparative embryology supports the theory of evolution

Answer:

If I am correct, C would be your answer.

Which is one way that a freshwater wetland differs from a lake or pond?

Answers

Below are supposed to be the choices:

A. water flows in a lake or pond but never flows in a wetland.
B. Wetlands are nesting areas for birds, but lakes and ponds are not.
C. Water does not always cover a wetland as it does a lake or pond.
D. Wetlands are salty, but lakes and ponds are fresh.

The answer is C. Hope it helps.

Lake and ponds are standing water.

Further Explanation:

Wetlands are the areas of marsh, peatland or water. It can be natural or artificial, permanent or temporary with water; static or flowing.

The characteristics of wetlands are-:

1. An abundance of water and prolonged saturation of the same.

2. Wetland vegetation have special adaptation for life in permanently or seasonally saturated soils.

3. The saturated soil forms distinct and visible characteristics.

Wetlands are often found alongside the waterways and also in floodplains. Wetlands may vary widely due to difference in soil, topography , the chemistry of water and vegetation. Several smaller wetland types may give rise to large wetlands.

Many wetlands found in rocky mountains regions dry up.

Lake and ponds: The characteristics feature are:

Ponds are shallow enough to allow the growth of plants across entire surface. The area where plants can grow is known as photic zone. In contrast to ponds the lakes has aphotic zone.

Learn more:

1. Learn more about water: brainly.com/question/4636675

2. Learn more about lake: brainly.com/question/4947666

3. Learn more about river: brainly.com/question/4947666

Answer Details:

Grade: College Biology

Subject: Biology

Chapter: Ecology

Keywords:

Marsh, peatland, wetland, lake, ponds, photic zone, topography, vegetation, aphotic zone, soil, mountains, static water, saturated soils.

Using what you've learned about the nucleus, how could you identify it by looking at a cellthrough a microscope.

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It may be the largest organelle in the cell, filled with dark-colored chromatin. You won't be able to see the DNA with a school microscope, but you can see the chromatin, which will look like Ramen noodles.

Which trophic level contains the organisms that are source of all chemical energy used in an ecosystem

Answers

Answer:

The correct answer would be producers as they convert light energy to chemical energy by photosynthesis.

Explanation:

The food chain is a sequence of transfer of energy and food to one organism is consumed by the other.

Trophic level is the position or the place of organisms share in the food chain. Producers are the trophic level placed in the bottom of the food chain.

Producers (plants) convert light energy into chemical energy by the process of photosynthesis. This chemical energy transfer from one trophic level to another. Producers provide food and energy to other trophic levels when they consume producer as their food. The green plants and blue-green algae are the examples of producer trophic level.

Thus, the correct answer would be producers.

Producers/plants ultimately contain the organisms that provide that energy.

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