What is biology ? please help me to do my hw

Once a woman attains puberty, her overuse mature and release one egg per ovarian cycle. which hormone stimulates this event?

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.