Zygote

What is a zygote? #9f00ff

Single cell stage formed after fusion of sperm and egg during fertilisation

What is the zygote’s chromosomal number?

Diploid, contains a complete set of chromosomes

Describe the genetic makeup in a zygote

• Carries combination of genes that defines individual’s traits

• Due to mixing maternal and paternal chromosomes

• By dissolution of 2 pronuclei

How is the zygote protected and transported?

Protected by the zona pellucida which also facilitates embryo transport due to its smooth surface

What is zygote’s potency?

It’s totipotency

• Meaning it has the ability to develop and differentiate into any type of cell

Cytoplasm of Zygote

• Inherited from

• Contains

Inherited from: Oocyte

Contains: Complete molecular and structural composition to initiate cleavage

During initial development, the zygote relies on?

Maternal RNA and proteins stored in oocyte for

• Cell division

• Spindle formation

• Energy production