An organism that contains two of the same alleles for a trait is said to be for that trait.
a. homozygous
b. dominant
c. recessive
dheterozygous

In pea plants, the allele for inflated pod seed, i, is dominant over the allele for constricted pod seed, i. the punnett square shows a cross for this trait. which offspring will be homozygous dominant

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Why is it important to study each branch of earth science?