Answer:
Fertilization
Explanation:
Egg and sperm are cells known as gametes produced by the GAMETOPHYTE of a sexually-reproducing organism via meiosis. Since egg and sperm cells are produced through meiotic division, their chromosomal number is reduced by half of the parental organism. Hence, sperms and eggs are haploid cells (n) produced by a diploid organism (2n).
Sperm is the male gamete while egg is the female gamete. These two haploid gametes fuse in a process called FERTILIZATION, to produce a diploid ZYGOTE that eventually grows into the diploid structure of the organism called SPOROPHYTE. This system of reproduction called ALTERNATION OF GENERATIONS is used by lower and higher plants.
Answer:
a.)<u>fault</u>:A fault is a planar crack or discontinuity in a volume of rock over which rock-mass motions have caused considerable displacement.
b.)<u>focus</u>:The focus is on the location where an earthquake begins deep under the Earth's crust.
c.)<u>epicenter</u>:The epicenter of an earthquake is the point on the earth's surface that is vertically above the epicenter.
d.)<u>seismic waves</u>:Seismic waves are elastic waves that occur in the ground as a result of an earthquake or other natural occurrence.
Explanation:
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Answer:
Has three dominant alleles
Explanation:
Skin colour is a polygenetic inheritance and it is controlled by three genes pairs of alleles. The human skin is determined by the amount of melanin it contains. A combination of melanin producing alleles determines the skin color.
In the above question, the person has a skin color that is midway meaning only half of the alleles produced melanin. The total number of alleles is 6 and half of it is 3. So, only 3 alleles were dominant and the remaining three were recessive.
There are three types of waste water
sewage: domestic sewage, industrial sewage, and storm sewage
