What happens during a lunar eclipse
A) the sun casts a shadow on earth and the moon
B) the moon casts a shadow on earth
C) Earth casts a shadow on the moon

What are some things that limit population growth?

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

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.