Answer:
B
Explanation:
Crossing over is the process involved during meiosis of two chromosomes sharing genetic information with each other from each parent. This happens so the two daughter cells or sister chromatids have a variety of genetic information and so they are not completely identical. This leads to genetic diversity or variation.
The answer is A; the horizon.
The reason as to why cellular organelles have different structures is because the structures of cellular organelles are related to their functions. For example mitochondria posses highly folded inner membranes to enhance the process of electron transpiration and cellular respiration to provide energy for the cell. Others such as rough endoplasmic reticulum posses ribosomes which helps in the synthesis of proteins.
The correct answer is option is made up of multiple substances.
The mineral can be defined as the crystal of the inorganic solid, which have a definite composition, and a specific atomic structure. the rocks are the group of many minerals, along with some organic remaining and the mineraloids.
The mineral and the rocks, both are formed in nature and both are referred as natural resources.
The nucleotides that are not encoded in germline dna but are added in the junctions of gene fragments during gene rearrangement are called Reconstruction debate that had federalism debate that had been an issue since the 1790s.
Reconstruction failed by most other measures: Radical Republican legislation ultimately failed to protect former slaves from white persecution and failed to engender fundamental changes to the social fabric of the South. When President Rutherford B. federalism debate that had been an issue since the 1790s almost mediately . Hayes removed federal troops from the South in 1877, former Confederate officials and slave returned to With the support of a conservative Supreme Court, these newly empowered white southern politicians passed black codes, voter qualifications, and other anti-progressive legislation to reverse the rights that blacks had gained during Radical Reconstruction. The U.S. Supreme Court bolstered this federalism anti-progressive movement federalism with decisions in the Slaughterhouse Cases, the Civil Rights Cases, and United States v.
Learn more about Reconstruction on:
brainly.com/question/24761999
#SPJ4
