If a normal man with the heterozygous
genotype for XP had children with a
homozygous normal female what is the chance
that their children will end up having XP?

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

Explain why phospholipid molecules form a bilayer. (3 marks)

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons