Answer and Explanation:
Mutation:
It is the sudden variation that occurs in the sequence of our DNA either due to factors related to environment or mistakenly. These are inheritable changes in our genes.
Effects:
a. It results in the ability of an organism to adapt to the environmental variations.
b. It can also cause disorders and diseases in an organism.
c. It results in the evolution of organisms.
d. It also results in the variation in an organisms' phenotype.
d. It helps to carry out scientific research.
Patterns of Inheritance:
The inheritance in mutation only occurs when it is in germ cells which leads to the production of gametes and this mutation is known as germ line mutation.
Data analysis:
As only few cells are effected mostly in mutation it can not be detected.
Answer:
Prophase is the first phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.
Metaphase is a stage in the cell cycle where all the genetic material is condensing into chromosomes.
Anaphase is the stage of mitosis and meiosis in which the chromosomes move toward the poles of the spindle.
Telophase is the final stage of mitosis and of the second division of meiosis in which the spindle disappears and the nucleus reforms around each set of chromosomes.
Cytokinesis is the division of cells after either mitosis or meiosis I and II.
Explanation:
One sperm fertilizes the egg cell forming a diploid zygote, the other sperm fuses with the two polar nuclei forming a triploid cell that develops into endosperm
Cells that have no mitochondria are unable to convert oxygen into energy, found in the form of adenosine triphosphate (ATP). All multicellular eukaryotic organisms, including plants and animals, have mitochondria in some cells, but prokaryotes and some single-cell eukaryotes do not have mitochondria.
Answer:
True
Explanation:
Tropical rain forest are one of the important biomes of the world that is characterized by a short or no dry season and a precipitation of overall 60 mm each month. They are also known as lowland equatorial evergreen rainforest. If we talk about location, they mostly are found between fall between the Tropic of Cancer and the Capricorn since they lie near to equator and they receive sufficient amount of sunshine and rain.
Due to their location near the equators, they receive greater amount of sunshine than other biomes and when sunshine is greater the rate of water evaporation is also greater that results in more rainfall.
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