<h2>Answer:</h2>
a. one allele from each parent
<h2>Explanation:</h2>
An allele in biological sciences is one of the possible forms of a gene that it can inherit. Most genes have two alleles, a dominant allele and a recessive allele. When Gregor Mendel crossed a tall plant with a short plant, the F1 plants inherited an allele for tallness from the tall parent and an allele for shortness from the short parent.
I would say D narrow temperature. Most other planets are too hot or cold to sustain life.
According to erikson, development is best reflected in resolution of psycho-social tasks. <span>Erikson’s psychosocial theory of development considers the impact of external factors, parents and society on personality development from childhood to adulthood. According to Erikson’s theory, every person must pass through a series of eight interrelated stages over the entire life cycle</span>
I believe it would be Mitochondria