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Difference Between Zygote and Gamete

Zygote vs Gamete

One of the things most students study since elementary school is about the science behind reproduction. As early as the elementary grades, students get to know how things work, why such things occur, and how these things came to life. This is discussed by the teacher with a followed curriculum.

In college, specifically in medical courses such as nursing and medicine, students engage in more in-depth activities and learning as they study human reproduction. It is in-depth because it involves the cellular level and more complicated terminologies and processes occur. This must be taken seriously because it’s a part of their quizzes and examinations for their final grades. Thus, failing is not an option.

Two of the words that they might come across are “gamete” and “zygote.” Let us tackle their differences. “Zygote” came from the Greek word “zygotos” meaning “joined or yoked or to yoke.” A zygote is defined as the unification of two gametes. When this happens, the first stage of an organism’s development will occur. It is the prerequisite process in the formation and developmental stage of an embryo. How is a zygote being produced? First there must be an egg cell from the female and a sperm cell from a male. When sexual intercourse is complete, the sperm meets the egg. Thus, fertilization will happen and a zygote is being produced from the union of the egg and sperm cell. Zygotes contain the necessary DNA from both the mother and father which is essential for their future infant.

“Gamete,” on the other hand, came from the Greek word “gametes” meaning “husband” and “gamete” meaning “wife.” A gamete is a cell that unifies with another cell during the process of fertilization among a sexually reproduced organism. Females produced a large gamete called an egg cell while males produce a tadpole-like gamete called a sperm cell. Gametes contain the necessary genetic information of the future infant through the DNA. The word “gamete” was introduced by Gregor Mendel who is an Austrian biologist.

So, in short, a zygote is like a dough while the gametes are the flour and eggs when compared to this thing. In a simple context, there will be no zygote if there are no gametes that unify. It is also important for us that there will be no embryo and the future fetus and then infant or newborn if these processes do not occur.


1.A zygote is a cell that is composed of the unified gametes; the egg and sperm cell.

2.A gamete is either a female gamete called an egg cell or a male gamete called a sperm cell.

3.A gamete contains half of the DNA while a zygote contains the full DNA from both the egg and sperm cell.

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