Because the sporophyte is the product of the fusion of two haploid gametes, its cells are diploid, containing two sets of chromosomes.

Because homologous chromosomes usually differ genetically, gametes usually differ genetically from one another.

Because both gametes look alike, they cannot be classified as " male " or " female.

Because ending the game is optional, and a player may not realize that he can end it, it is unethical to say " good game ", or in any other way indicate that the game could be ended, until after a player actually has ended the game.

Because Bulgarian industry was configured to Soviet markets, the end of the Soviet Union and the Warsaw Pact caused a severe crisis in the 1990s.

Because the breasts are principally composed of adipose tissue, which surrounds the milk glands, their sizes and volumes fluctuate according to the hormonal changes particular to thelarche ( sprouting of breasts ), menstruation ( egg production ), pregnancy ( reproduction ), lactation ( feeding of offspring ), and menopause ( end of menstruation ).

Because very few wells and springs have water throughout the year, the herders leave with the end of the rains, turning over the land to the antelopes, gazelles, and ostriches that can survive with little groundwater.

Because of the switch to Portland cement, by the end of the 1920s of the 15 Rosendale cement companies, only one had survived.

Because of the ongoing war in Brazil the situation for the WIC in 1645, at the end of the charter, was very bad.

Because Ethernet was able to adapt to market realities and shift to inexpensive and ubiquitous twisted pair wiring, these proprietary protocols soon found themselves competing in a market inundated by Ethernet products and by the end of the 1980s, Ethernet was clearly the dominant network technology.

Because his leave was coming to an end very soon, they married quickly on 16 August at St Jude's Church, Kensington, and then honeymooned in Ryde on the Isle of Wight, before heading via France to Malaya.

Because prokaryotic mRNA does not need to be processed or transported, translation by the ribosome can begin immediately after the end of transcription.

Because open clusters tend to be dispersed before most of their stars reach the end of their lives, the light from them tends to be dominated by the young, hot blue stars.

Because the area of the fossil site was four hundred kilometers removed from the coastline and there were no indications of large rivers or deep lakes nearby at the end of the Cretaceous, Lawson in 1975 rejected a fish-eating lifestyle, instead suggesting that Quetzalcoatlus scavenged like the Marabou Stork, but then on the carcasses of titanosaur sauropods such as Alamosaurus.

Because both ends of the RS-232 circuit depend on the ground pin being zero volts, problems will occur when connecting machinery and computers where the voltage between the ground pin on one end, and the ground pin on the other is not zero.

Because the end of the Cold War in 1991, mooted the USSR, the Iron Curtain countries, and Russia as credible enemies of democracy, espionage novelists were at a ( temporary ) loss for nemeses.

Because of injuries to defensive linemen ( at the beginning of the season the Dolphins were down to four healthy defensive linemen ) defensive coordinator Bill Arnsparger created what he called the " 53 " defense, in which versatile Bob Matheson ( number 53 ) would be used as either a defensive end in the standard 4-3 defense or as a fourth linebacker in a 3-4 defense, with Manny Fernandez at nose tackle.

Because of the operation of Commodore floppy drives, one write protection scheme would cause the floppy drive head to bang against the end of its rail, which could cause the drive head to become misaligned.

Because the western end of Lake Erie offered the shortest overland route to the frontiers of Indiana and Illinois, Maumee Harbor was seen as a site of immediate importance and great value.

Because both lengths of dissimilar metals experience the same temperature gradient, the end result is a measurement of the difference in temperature between the thermocouple junction and the reference junction.

Because of Rey's book, many amateur astronomers have come to accept Rey's star chart interpretation of Ursa Major, dropping the idea of the Big Dipper's " handle " as being the hind end of the bear, with a non-natural " tail " extending rearwards.

Because Internet Service Providers ( ISPs ) pay the long-distance carriers for access to their infrastructure, and share the circuits among many users through packet switching, the end Internet user avoids having to pay usage tolls to anyone other than their ISP.

Because it normally has a positively charged nitrogen at its end, lysine can bind the negatively charged phosphates of the DNA backbone.

( Because the film was made during World War II, the film also anachronistically added some morale-boosting lyrics at the end of the song as part of Warner Bros .' wartime propaganda ).

Because only a fraction of energy is passed on to the next level, this hierarchy of predation must end somewhere, and very seldom goes higher than five or six levels, and may go only as high as three trophic levels ( for example, a lion that preys upon large herbivores such as wildebeest which in turn eat grasses ).

Because this presents a significant advantage to the team winning the coin toss to decide who receives the first overtime possession, the NFL moved in 2011 to require that if both teams have not had possession of the ball prior to the first score, then the team who does have possession must score a touchdown to end the game, preventing the team winning the coin toss from making a much shorter drive down the field and kicking a " golden goal " without the other team having a chance to touch the ball.

Because of the geometric relationship, the Doppler shifted geometric chirp will effectively start at a different frequency ( multiplied by a constant ), but follow the same pattern of exponential frequency increase, so the end of the original wave, for instance, will still overlap perfectly with the beginning of the reflected wave, and the magnitude of the correlation will be high for that section of the wave.

-- Held out of Texas Tech's sweat-suits drill Monday at Lubbock was tackle Richard Stafford, who is undergoing treatment for a leg injury suffered in the Raiders' 38-7 loss to Texas A & M Because of its important game with Arkansas coming up Saturday, Baylor worked out in the rain Monday -- mud or no mud.

Because neither of them really wanted their marriage to break up, Mr. and Mrs. Black agreed to a series of interviews at Family Service of Northern Virginia, the agency nearest them.

Because he copiously shed his own tears, and yielded himself up as a living sacrifice to the impersonalized conscience of New England, he was not disturbed by the havoc he worked in other people's consciences.

Using Zorn's lemma, it can be shown that every field has an algebraic closure, and that the algebraic closure of a field K is unique up to an isomorphism that fixes every member of K. Because of this essential uniqueness, we often speak of the algebraic closure of K, rather than an algebraic closure of K.

Because of the gamble they take in the early stage of the game there is a build up of tension, which is immediately released once the train is robbed.

Because the P-array is 576 bits long, and the key bytes are XORed through all these 576 bits during the initialization, many implementations support key sizes up to 576 bits.

Because the comet's motion with respect to Jupiter was very small, it fell almost straight toward Jupiter, which is why it ended up on a Jupiter-centric orbit of very high eccentricitythat is to say, the ellipse was nearly flattened out.

Because her father's job required the family to move often, Flockhart and her brother grew up in several places including Illinois, Iowa, Minnesota, New Jersey, and Norwich, New York.

Because the commodore is keeping up with you.

Because the number of " words " that can be formed is vastly larger than in standard English, the board usually ends up tightly packed in places, and necessarily quite empty in others.

Because an electron beam only penetrates to a limited depth before being absorbed, typically up to 5 cm for electron energies in the range 5 – 20 MeV, electron therapy is useful for treating skin lesions such as basal cell carcinomas.

Because St. Louis was geographically isolated from both the dominating teams and the major sports media ( newspapers ) of the era ... all centered in and focused on the East ... Cochems ' groundbreaking offensive strategy was not picked up by the major teams.

Because they were stationary, the viewer could not tell which character was talking unless its puppet moved up or down.

Because he'd been sitting in my house with my acoustic guitar, writing these songs like ' I Don't Care ', fucking up my guitar, and suddenly he's this guy on stage who you can't take your eyes off of.

Because these spells have ( very ) long casting times ( up to several days ), highly specific and exacting verbal, material and somatic requirements, and can only be cast inside the sorcerer's consecrated temple, these spells are actually more like quasi-religious rituals.

Because the black mattes are part of the picture, they take up space in the signal that could be used for active picture information, forcing the picture to use less vertical space in the signal than if it were anamorphically encoded.

Because the Pacific plate is the largest of all the tectonic plates on Earth, crustal material at its western edge has had a long time since formation ( up to 170 million years ) to compact and become very dense ; hence its great height-difference relative to the higher-riding Mariana Plate, at the point where the Pacific Plate crust is subducted.

Because of such significant deviations from the animated series, movies, and subsequent sequels the novels themselves are not considered canonical ; however, the detailed account of past events leading up to the introduction of the mobile suit and early skirmishes of the OYW are more or less accepted in the continuity.

Because newborn marsupials must climb up to their mother's nipples, their front limbs are much more developed than the rest of the body at the time of birth.

Because the ionosphere is an ohmic conductor of sorts, such flow will heat it up.

Because of the anarchistic nature with which the groups sprang up, some jokingly referred to ALT standing for " Anarchists, Lunatics and Terrorists " ( a backronym ).

Because the nuclear force is stronger than the Coulomb force for atomic nuclei smaller than iron and nickel, building up these nuclei from lighter nuclei by fusion releases the extra energy from the net attraction of these particles.

When McVeigh was asked if there were other conspirators in the bombing, he replied: " Because the truth is, I blew up the Murrah Building, and isn't it kind of scary that one man could wreak this kind of hell?

Because the ludi were religious in nature, it was appropriate for the Romans to set up this temporary stage close to the temple of the deity being celebrated.