Hitchhikers thumb (H) is dominant to no hitchhikers thumb (h).A woman who does not have hitchhikers thumb marries a man who is heterogeneous for hitchhikers thumb. What is the Probable genotypic ratio of their children?

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin