During fertilization, the egg and sperm each contribute the number of chromosomes for the fertilized egg, regardless of the offspring's gender.

a. equal
b. half
c. twice

someone please help me lol

When egg meets sperm, each parent contributes 22 non-sex chromosomes and one sex chromosome – always an X from the mother, and either an X or Y from the father. so it's half

Explanation:

this protocol provides a detailed procedure for chromatin immunoprecipitation (chip) to study the dna-protein interactions.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation: