What is made of carbohydrate

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction

Plz ! what does it mean for an allele to be dominant?

Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days. true or false