A cross between two different lines and/ or genes that differ in two observed traits.
Answer:
Rosalind's x-ray showed that the ladders of nucleotides were inside a double helix.
Watson and Crick built models with the ladders on the outside.
Hello Friend, I don't think so that it is a worm or a slug. This more looks like a larvae of an insect. I am pretty sure that is is Black Soldier Fly Larvae.
If you search up "Black Soldier Fly Larvae" you would see lots of information about them. Or you can just search up "Black larvae" and see which image matches to yours the best.
Hope this Helps!!!
~Your Friendly Brainly user
~RecklessChicken
A. a single chromosome that is not replicated
Desert ecosystems.
Explanation
It’s very dry in the Southwest. They get hardly any precipitation and it’s very hot.
