Traits are determined by DNA. Small segments of DNA are called genes. These genes instruct for a certain protein to be made. Those proteins give us our traits. Hope that helps!
The women was a carrier of the color blind trait, its recessive so she passed the trait down on his only X chromosome, men are more likely to be color blind because they only have to have one faulty X chromosome. females have to have both X's wrong.
and O is also a recessive trait so they had AO and BO blood types and the OO matched up for there baby
Chromatin refers to the dna and the proteins associated with it. It's the dna in the nucleus that is uncondensed.
Answer:
DNA sequences.
Explanation:
DNA sequences, I believe, are the best evidence of common ancestry since they share more traits with more closely related organisms. The similarities and variances in fossils, anatomy, and embryos are all due to DNA.