The answer should be d.
explanation
:)
By the layers of sediments
Hi,
Answer: An error in DNA replication
<u>My work:</u> A hereditary disease starts in the DNA structure. Meaning somewhere in your DNA strand something didn’t got right. Sometimes in animals we call these Hybrids. Which are two different, but in the same family reproduce. Such as a Mule which is a horse and a donkey reproducing.
I Hope I Helped!
Answer:
In what phase of cell division does exchange of genetic material between non-sister chromatids, or “crossing-over,” occur? It occurs in prophase 1 of meiosis
Explanation:
In prophase 1 of meiosis there is crossing of genetic material
The answer will obviously be letter A