Answer:
because finger prints contain Sweat & it's contain all the 4main components of DNA
Answer:
sun to plants, plants to animals, animals to waste I believe
Answer:
There are 22 numbered pairs of chromosomes called autosomes. The 23rd pair of chromosomes are the sex chromosomes. They determine an individual's sex. Females have two X chromosomes, and males have an X and a Y chromosome.
This is how you know if a karyotype is male or female?