The correct sequence in early development from earliest to latest is: a) fertilisation – cleavage – gastrulation.

Here's why:

1. Fertilisation: This is the process where the sperm cell from the male unites with the egg cell from the female to form a single cell called a zygote. This is the first step in the process of development.

2. Cleavage: After fertilisation, the zygote begins to divide rapidly in a process called cleavage. This results in a cluster of cells.

3. Gastrulation: This is the process that follows cleavage. During gastrulation, the cells in the cluster begin to move and rearrange themselves to form three distinct layers. Each of these layers will eventually develop into different parts of the body.

The other options listed do not follow the correct sequence of events in early development.

Question

The correct sequence in early development from earliest to latest is: a) fertilisation – cleavage – gastrulation.

Here's why:

1. Fertilisation: This is the process where the sperm cell from the male unites with the egg cell from the female to form a single cell called a zygote. This is the first step in the process of development.

2. Cleavage: After fertilisation, the zygote begins to divide rapidly in a process called cleavage. This results in a cluster of cells.

3. Gastrulation: This is the process that follows cleavage. During gastrulation, the cells in the cluster begin to move and rearrange themselves to form three distinct layers. Each of these layers will eventually develop into different parts of the body.

The other options listed do not follow the correct sequence of events in early development.

Knowee AI · Accepted Answer

The correct sequence in early development from earliest to latest is: a) fertilisation – cleavage – gastrulation.

Here's why:

1. Fertilisation: This is the process where the sperm cell from the male unites with the egg cell from the female to form a single cell called a zygote. This is the first step in the process of development.

2. Cleavage: After fertilisation, the zygote begins to divide rapidly in a process called cleavage. This results in a cluster of cells.

3. Gastrulation: This is the process that follows cleavage. During gastrulation, the cells in the cluster begin to move and rearrange themselves to form three distinct layers. Each of these layers will eventually develop into different parts of the body.

The other options listed do not follow the correct sequence of events in early development.

From earliest to latest, the correct sequence in early development proceeds as follows:a) fertilisation – cleavage – gastrulationb) cleavage – ovulation – organogenesisc) gastrulation – cleavage – morulad) cleavage – organogenesis – gastrulation

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