Answer:
This is usually the first day of menstruation - the day when the uterus lining starts to be shed.
Explanation:
Chromosome is to cactus as gene is to a needle.
The genotypes of the parents are Aa (heterozygous) and aa (recessive homozygous).
For example:
If the purple flower is dominant phenotype, then A is a dominant allele for it and Aa is a genotype which will give the purple colour.
In this case, white flower is recessive phenotype with aa genotype.
If we cross Aa x aa
<span>The offspring is going to be Aa Aa aa aa (half purple and half white)</span>
I don't understand, what is the question you're supposed to answer?
(D)an atom can join with other kinds of atoms.
Basically he explained what a molecule is.
