Gametes

What is the process called where a sperm and egg make a zygote?

• Fertilisation

• Budding

• Fragmentation

• Zygotisation

A cell that results from fertilization is called a _?

• gamete

• sperm

• yolk

• zygote

How many chromosomes do sperm cells have?

How many chromosomes does a zygote have?

How many chromosomes do egg cells have?

Eggs cells​ (a)   than other cells.

• are much bigger
• have more chromosomes
• have less cytoplasm
• move much faster

Sperm cells​ ​ (a)   than other cells.

• have fewer chromosomes
• have more chromosomes
• have more cytoplasm
• are much bigger

​ When the ​ (a)   of a sperm cell joins the nucleus of an (b)   cell, ​ (c)   occurs and a ​ (d)   is made.

• nucleus
• egg
• fertilisation
• zygote
• gamete

A ​ (a)   is a long molecule of DNA containing genetic information.

• chromosome
• sperm cell
• gamete
• egg cell
• nucleus

A​ (a)   is a special type of cell which only has twenty-three chromosomes.

• gamete
• sperm cell
• egg cell
• chromosome
• nucleus
• red blood cell