Answer: Creo que es B
Explanation:
P.S(eso fue muy difícil. Lo siento mucho si se equivoca.)
Answer:
The first phase of Meiosis 1 is prophase 1. during the prophase 1 is where DNA is exchanged between homologous Chromosomes in a process called crossing over or recombination.
U have to look at the images you have to be abled to answer this question...
Answer:
Ginkgos and Cycads
Explanation:
Gymnosperm plants such as Ginkgos and Cycads have flagellated sperm.
This is the structure of DNA and nucleotide is the phosphate group with sugar (the pink one ) and base that are 4 different bases : A, T, C, G and between these bases we have hydrogen bonds and you can see that always it like : C≡G
A=T :))) i hope that helps :)))https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwiawYOO7-...
