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The fertilized egg is called...

The fertilized egg is called______

A

ovum

B

blastocyst

C

diploid cell

D

zygote

Text Solution

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The correct Answer is:
To answer the question "The fertilized egg is called______," we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Fertilization**: Fertilization is the process where the male sperm and female egg (ovum) combine. This results in the formation of a new cell. 2. **Identifying the Egg and Sperm**: The egg is referred to as the ovum when it is unfertilized. The sperm is the male gamete that fuses with the ovum during fertilization. 3. **Formation of the Fertilized Egg**: When the sperm successfully fertilizes the ovum, it creates a new cell. This cell is the result of the fusion of the genetic material from both the sperm and the egg. 4. **Naming the Fertilized Egg**: The fertilized egg is specifically known as a zygote. This term is used to describe the initial cell formed when the sperm and egg unite. 5. **Clarifying Other Terms**: - An ovum is the unfertilized egg, so it is not the correct answer. - A diploid cell refers to the zygote's chromosome number but is not the term used to describe the fertilized egg itself. - A blastocyst is a later stage of development that occurs after the zygote has divided and developed further, so it is also not the correct answer for the fertilized egg. ### Final Answer: The fertilized egg is called **zygote**. ---
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