A chromosome is best described as a a. gene that has more than one form

b. green cell found in many plants

c. strand of DNA containing genetic information

d. reproductive cell found in certain kinds of bacteria

The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change

Describe two recent or ongoing space missions.

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .