1) Enzyme activity
2) Cell to cell recognition
3) Cell signalling
4) Transport Materials.
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4. All of the above, after order tha classifications goes family, genus, species.
The reproductive cycle both in men and women is controlled by hormones. Estrogens are the female sex hormones and androgens are considered as mail sex hormones. However, men and women make hormones in both groups. Depending on the gender the ratio is different.
Sex linked disorders are heritable characteristic carried by a sex chromosome.