Cambridge Secondary (7-9). Stage 9. Science. Learner's Book - Unit 7: Genes and inheritance - Question 50

Copy and complete the table. Put a tick where the description is correct; leave the space empty if incorrect.

| Description | Egg cells | Sperm cells |
|---|---|---|
| contain a nucleus | | |
| are gametes | | |
| can swim | | |
| in humans, contain 23 chromosomes | | |
| contain either an X chromosome or a Y chromosome | | |