Sperm and egg cells have a nucleus which is haploid.

State the number of chromosomes in a human haploid nucleus.

Fertilisation is the fusion of the nuclei of a male and female gamete, resulting in a zygote.

State the number of chromosomes present in a human female gamete

Fertilisation is the fusion of the nuclei of a male and female gamete, resulting in a zygote.

State the number of chromosomes present in a human zygote

The diagram below represents some stages of early embryonic development. Which process is represented by the arrows in the diagram?

• meiosis

• Mitosis

• Fertilization

• Evolution

Tags

NGSS.HS-LS1-4

The diagram below represents a human reproductive system.
Meiosis occurs within structure

• A
• B
• C
• D

Tags

NGSS.HS-LS3-2

How many goats have white fur?

State the phenotype of goat 5

What are all the possible sex chromosomes that a normal sperm may contain