Answer:
Osteoblasts
Explanation:
Cells that secrete protein fibres in bones are called osteoblasts.
I hope this helps.
Its when one species marries another species
Although at first it may seem like an antigen, it's a pathogen.
B. A decrease in crop diversity is an environmental concern. Weed killers will wipe out other strains of crop leaving only the engineered resistant type.
That a person is heterozygous for a certain trait. Rr=heterozygous and RR= homozygous. You can remember this because Hetero= different and homo= same
