For a male to express a recessive sex-linked trait, he must have- A- one dominant and one recessive allele
B-two recessive alleles
C- Only one recessive allele
D- two dominant alleles

*will mark brainliest for first correct answer* which of the following is most likely to affect the biodiversity of a park ecosystem? a. less rain than usual for several months b. ongoing pollution from a nearby factory c. park rangers plant a new type of tree d. disease wipes out an entire population

15 points come and ! which characteristic describes all bacteria? a rod-shaped b microscopic c multicellular d autotrophic

Which are forms of nitrogen that are usable by humans