Answer:
sex chromosomes have X and Y chromosomes whereas sexual reproduction is a type of reproduction.
Step-by-step explanation:
Two sex chromosomes are present in humans and most other mammals i.e. the X and the Y chromosomes. Females have two X chromosomes in their egg cells, whereas males have both X and a Y chromosomes in their sperm cells while on the other hand, reproductive sex means sexual reproduction in which sperm of male fuse with eggs of female organism forming zygote that turns into a fertile offspring.