Chapter 29.1, Problem 2MI

Summary Introduction

To define:

The term embryo.

Introduction:

In sexually reproducing organisms either plants or animals, fertilization between male and female gametes that results in the zygote. The zygote later develops into the embryo.

Explanation of Solution

Fertilization results in a single-celled diploid structure called the zygote. The zygote undergoes repeated mitosis division called cleavage. the mitotic divisions and the early stages of growth and differentiation forms a multicellular body called an embryo. Thus, an embryo can be defined as 'the earliest stage of development of plants and animals after an egg has been fertilized'.

Conclusion

The early developmental stage of multicellular organisms after the fertilization of an egg.