A heterozygote has
A) two different alleles for a gene.
B) only one allele for a gene.
C) an extra genome.
D) one copy of each sex chromosome.
A) two different alleles for a gene.
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What is it called when a demand for a new lifestyle leads to many speciation events from one founder species?
a. sympatric speciation b. allopatric speciation c. adaptive radiation d. convergent radiation
What are at least 3 adaptations that rocky intertidal organisms have for withstanding wave shock?
What will be an ideal response?
Genetic drift is a process that has a greater effect on populations that
a. are large. b. are small. c. are not affected by mutation. d. do not go through bottlenecks.
Which of the following is not a role played by NADH in cellular respiration?
It powers proton pumps. It transfers electrons. It is involved in redox reactions. It oxidizes pyruvate. It accepts electrons and hydrogen ions.