The answer is B. bone marrow :)
D) during the menopause there’s a suspension of the mestrual cycle
If penetrance is high, it is more likely that the phenotype of the disease will be exhibited if the genotype is present.
Hope I helped!
<span>D. can incorporate new scientific discoveries. should be the answer. Hope I helped!</span>
Answer:
B
Mutation is the ultimate source of genetic variation, but mechanisms such as sexual reproduction and genetic drift contribute to it as well Because prokaryotes are haploid, such a mutation immediately become part of the genetic makeup of the cell unlike eukaryotic diploids where a normal second copy of the gene usually protects the cell from the potentially lethal effect of such a mutation.