Answer:
for testing differnt cures on animals
Explanation:
Answer:
Online communication, video games, a source entertainment, internet searches, online music
Explanation:These are all used of computer technology.
Answer:
d
Explanation:
bacteria is a small rna and there are millions of them they are not big enough to have dna
The term ‘Crossing over’ was used by Morgan and Cattell. It is a process in which there is exchange of chromosome segments between non-sister chromatids of a homologous chromosomes. It occurs during pachytene stage of prophase I of meiosis cell division.
Significance of crossing over:
- Crossing over provides genetic variation in all sexually reproducing organisms.
- It creates new combination of genes or genetic recombination and produces hybrids.
