How to use in-sentence of “lactase”:
+ Still, “most people worldwide are lactase nonpersistent”.
+ The human ability to drink milk during adult life is supported by a lactase mutation which prevents this switch-off.
+ Humans are unusual in having lactase persistence.
+ Genetic signatures of strong recent positive selection at the lactase gene.
+ Babies make an enzyme called lactase inside their bodies.
+ The human ability to drink milk during adult life is supported by a lactase mutation.
+ A worldwide correlation of lactase persistence phenotype and genotypes.

Example sentences of “lactase”:
+ Then the gene which causes the body to make lactase is switched off, and the young move on to adult food.
+ A mutation on chromosome 2 stops the shutdown in lactase production.
+ Then the enzyme lactase is cut off.
+ Mammals normally produce lactase only as long as the mother has milk.
+ The lac repressor is a DNA-binding protein which inhibits the expression of genes which code for lactase enzymes.
+ An enzyme called lactase is needed to break it down.
+ Lactose digestion and the evolutionary genetics of lactase persistence.
+ Then the gene which causes the body to make lactase is switched off, and the young move on to adult food.
+ A mutation on chromosome 2 stops the shutdown in lactase production.
+ Then the enzyme lactase is cut off.
+ Microsatellite variation and evolution of human lactase persistence.
+ Genetics of lactase persistence and lactose intolerance.
+ A mutation on chromosome #2 stops the shutdown in lactase production, making it possible for those with the mutation to continue drinking fresh milk throughout their lives.
+ To digest it an enzyme called lactase cleaves the lactose into its two subunits glucose and galactose for absorption.
+ Since they consumed more milk products, these societies developed lactase pesistence: The milk-digesting enzyme lactase was present in their body during the whole lifetime: They could also drink unfermented milk as adults.
