If human sperm and eggs were produced by mitosis instead of meiosis, they would be diploid cells, possibly resulting in a zygote with an excess of chromosomes. This imbalance could lead to nonviable offspring and developmental complications, as necessary components for early development are only present in the egg cell.
Currently, human sperm and eggs are produced by the process of
meiosis
, which results in
haploid cells
that contain half the number of chromosomes as the parent cell. If, hypothetically, sperm and eggs were produced by mitosis, they would be
diploid cells
with a full set of chromosomes similar to normal body cells. With such a change, sexual reproduction, as we understand it, could not occur, as the fertilization event would result in a zygote with four sets of chromosomes, creating a significant imbalance in genetic material. This could potentially lead to numerous complications and abnormalities in the offspring, likely making them nonviable. Additionally, critical components necessary for early development are present in the cytoplasm of the egg cell, without which, no subsequent development would occur. In conclusion, the production of sperm and egg cells via mitosis instead of meiosis would fundamentally alter human reproduction and could potentially lead to severe problems in offspring development.
#SPJ3
The answer is eon. :)
b. clay
c. sand
d. loam
The type of soil that holds the most water is clay. Therefore, the correct option is B.
Compared to sand or silt particles, soil particles are smaller and have a larger surface area. As a result, clay soils are able to hold more water. Because clay has the ability to retain moisture by capillary action, fine particles within the soil can hold water in the spaces between them. This capillary action allows clays to absorb and hold water for longer periods of time, which allows them to hold more water than other types of soil. Clay soil has smaller gaps between particles and is better at holding water than sand and silt soils, which have larger particles and more room for water to pass through.
Therefore, the correct option is B.
Learn more about Clay soil, here:
#SPJ6
Answer:
B. Three chromosomes in any one set
Explanation:
i just took the usatestprep test
A) ribosomes
B) Golgi bodies
C) mitochondria
D) endoplasmic reticulum
Answer:
The correct answer would be B) Golgi bodies
Golgi body is a cell organelle made up of vesicles and folded membranes.
It is mainly associated with the storage, modification, and packaging of macromolecules such as proteins and fats.
Macromolecules with the help of vesicles are transported from the endoplasmic reticulum to cis-Golgi bodies.
They are then modified in the folded membranes of the Golgi.
Post-modification they are transported to the different parts of the cell with the help of vesicles.
The correct answer for the question presented above is organ transplantation between species. Having knowledge of evolutionary relationships help in successfully transplanting organs to different species based on the fact that some species share similar DNA characteristics. This allowed us to discover that transplant between species is possible.
b..........................organ transplantation between species