Answer:
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b. haploid.
c. monoploid.
d. polyploid.
Answer:
The correct answer is a. diploid.
Explanation:
Gametes are haploid entity which contains one genome or one complete set of chromosome a particular organisms. Gametes are represented by (n) and are produce as a result of meiosis in the germ cells during gametogenesis. Fusion or fertilization of a male and a female gamete results into one celled structure called zygote. The zygote receives two genomes one each from a male gamete and a female gametes. Thus, a zygote contains two sets of chromosomes. ( n+n) = 2n or diploid.
The 3 basic steps of DNA replication are: initiation, elongation and termination.
DNA replication is the process by which cells make copies of their genetic material. The process occurs in three main steps:
Initiation: This step involves the separation of the double helix structure of the DNA molecule, and the unwinding of the two strands at a specific point called the origin of replication.
Elongation: This step involves the building of new strands of DNA, which are complementary to the original strands. This is done by enzymes called DNA polymerases, which add nucleotides to the growing DNA chain. The new strands are created in the 5' to 3' direction, meaning that the polymerase adds nucleotides to the 3' end of the strand.
Termination: Once the entire length of the DNA molecule has been replicated, the replication process is complete. The two new DNA molecules, which are exact copies of the original, are then separated from each other.
Learn more about DNA replication, here:
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Stabilizing selection and disruptive selection are both examples of natural selection that affect population variation. In stabilizing selection, the average phenotype is favored, selecting against extreme variation. Disruptive selection, on the other hand, selects for extreme phenotypes, while the average phenotype is selected against.
Stabilizing selection and disruptive selection are both examples of natural selection that affect population variation.
In stabilizing selection, the average phenotype is favored, selecting against extreme variation. For example, in a population of mice that live in the woods, natural selection favors individuals that blend in with the forest floor and have a brown coat, while lighter or darker mice stand out and are more likely to be preyed upon.
Disruptive selection, on the other hand, selects for extreme phenotypes, while the average phenotype is selected against. For instance, if a population of birds lives in an environment with two distinct food sources, those with short beaks may be better adapted to feed on small, soft fruits, while those with long beaks may be more efficient at capturing insects. Birds with medium-sized beaks may struggle to effectively exploit either food source.
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A) must be a result of a mutation
B) cannot be passed on to offspring
C) are only behavioral, never physical
D) do not affect an organism's characteristics​
Answer:
B) cannot be passed on to offspring
Explanation: