Complete question:
A female is born with attached earlobes, which is a recessive phenotype. Which of the following statements about her parents must be true?
a. neither has the codominant allele.
b. Her father has an inactivated allele.
c. Both parents have the recessive allele.
d. Her mother carries the dominant allele.
Answer:
c. Both parents have the recessive allele.
Explanation:
A recessive trait is expressed in homozygous recessive genotypes only. If a female expresses the attached earlobe phenotype, she should be homozygous for the allele since the attached earlobe is a recessive trait. If allele "a" gives attached earlobe phenotype in homozygous genotype, the genotype of the female would be "aa". This means that the female has got one copy of the allele "a" from her either parents. Therefore, both her parents should have at least one copy of the recessive allele "a".
Pasteurizing milk involves exposing milk to high temperatures for a short period of time to destroy all harmful bacteria that might be lurking in the milk. It is beneficial as it kills most harmful bacteria.
Answer: Romantic
Explanation:
In the Sternberg's theory of love, love is described on three different scales. The three different types of love described by Sternberg were based on intimacy, passion, and commitment.
Sternberg said that Romantic love involves intimacy and passion but lacks commitment. Romantic love has strong components of sexuality and infatuation. Usually romantic love is stronger at the early stages of a relationship.
The mass is increased as two things are added together so the two masses of the two substances are added together.
