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In sexual reproduction, a diploid zygote is formed by the fusion of two structures: a haploid egg and a haploid sperm. These cells, also known as gametes, each contain one set of chromosomes, and their fusion results in a zygote with a complete diploid set of chromosomes.
Explanation:In sexual reproduction, the structures that fuse to form a diploid zygote are the haploid egg and the haploid sperm cells. These cells are also referred to as gametes. Each of these gametes is haploid, meaning they contain one set of chromosomes in their nuclei. The zygote, which is the cell that results after the fusion of these gametes, is diploid and contains two sets of chromosomes. For example, in animals, sexually reproducing adults form these haploid gametes from diploid germ cells. The fusion of these gametes gives rise to a fertilized egg cell, or zygote.
This process of fusion, called fertilization, ensures that the offspring has a complete diploid set of chromosomes. Later, the zygote will undergo multiple rounds of mitosis to produce a multicellular offspring, which is genetically unique.
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The structures that fuse to form a diploid zygote during sexual reproduction are the haploid egg and sperm cells. They fuse together during fertilization to create a new individual with a complete set of chromosomes.
Explanation:The structure that fuses to form a diploid zygote during sexual reproduction is the haploid gametes, specifically the egg and sperm. In this process, the haploid sperm and egg cells fuse, leading to the formation of a diploid zygote. The diploid zygote contains the combined genetic material from both parents, which is vital for creating a new individual. To ensure that the offspring has only one complete diploid set of chromosomes, only one sperm must fuse with one egg. This fusion of gametes is called fertilization.
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Related Questions
How are photosynthesis and cellular respiration related? (A)They are both ways of forming glucose molecules. (B) One forms glucose and the other breaks it down (C)They are both used during fermentation (D)Both processes require an input of sunlight
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Answer:
the answer is B
Explanation:
One forms glucose and the other breaks it down.
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.Respiration is the chemical process by which organic compounds release energy.What is energy?
Energy is defined as the ability to do work which for biology purposes, can be thought of as the ability to cause some kind of change.
Energy can take many different forms:
Light EnergyHeat Energy Electrical energy,Mechanical Energy, Electrical Energy,Sound Energy.Hence, B option is correct.
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a molecule that serves to make reactions work
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Which stage is the last stage of speciation?
The populations become adapted to different environments and eventually become so different that they cannot interbreed to produce fertile offspring.
The populations are isolated and thus do not interbreed.
The populations become totally separated from one another.
The populations interbreed successfully.
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Answer:
The populations become adapted to different environments and eventually become so different that they cannot interbreed to produce fertile offspring.
Speciation is the evolution of one species into two different kinds, and when they become isolated, that is the final step, since they cannot interbreed any longer.
Answer: The populations become adapted to different environments and eventually become so different that they cannot interbreed to produce fertile offspring.
Explanation:
Speciation is a process of development of new species from the parent species. This occurs when the members of the population get separated due to geographical barriers such as river, mountains and others. Or if the members of the same species diverge on the basis of morphological, physiological, reproductive and behavioral changes.
The isolated members in the end in the cases of geographical separation becomes diverge or different species as they cannot interbreed with the members of the parent species due to the adaptations according to the new environment.
HELP!! How are mid-ocean ridges formed at divergent tectonic plates?
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This submarine Mid-ocean Ridge owes its formation to the movement of the continental plates on either side of the ocean. As these plates slowly separate, they leave gaps in the earth's crust. This allows molten rock from beneath the earth's crust to reach the surface, forming a new part of the ocean floor.
Answer:
The stretching lithosphere is pushed up as the plate moves apart
Explanation:
Divergent tectonic plates involves moving apart of tectonic plates. At the divergent boundary plates separate from each other . An example is the oceanic ridge formed in the Atlantic oceanic crust.
The diverging movements of these plates cause magma to be introduce from the oceanic ridge to form a new lithospheric crust. Volcanoes are present in this kind of boundary. The magma may erupt to form volcanoes.
Divergence occurs mainly between oceanic crusts and continental crusts. The moving apart of the plates causes an exposure of the aesthenosphere semi liquid rocks to the surface . The up welling of this rocks result to formation of new crust, stretching the Lithosphere in the process.
The picture above illustrate diverging plates.