James had been complaining of difficulty breathing. his doctor diagnosed an increase in the size of his heart. what is james suffering from?
a. hepatomegaly
b. cardiomegaly
c. craniomegaly
d. splenomegaly

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.