Ascientist has discovered a new gene in oysters. oysters with the dominant allele for disease resistance 'r' have been found to tolerate polluted waters better than oysters with the recessive 'r' allele. what term is used to describe an oyster that has two identical dominant alleles (rr) for this gene? a) genetic hybrid b) homozygous dominant c) heterozygous dominant d) heterozyous recessive

New york city has 2,181 inhabitants per square mile. the state of alaska has 1.03 inhabitants per square mile. ecologists would say alaska has a low exponential growth population density birth rate carrying capacity

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

Some scientists argue that global warming is related to buming fossil fuels to produce energy o increased use of fertilizers loss of forested areas a of the above