Which term describes the genotype of an individual that has two different forms of the allele?

a
allelotype
b
heterozygous
c
homozygous
d
phenotype

What is thought to have caused the mass extinction at the end of the cretaceous period?

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?

What molecule does hemoglobin decay into over time