-How Does the Distribution Shown on the Map of Alleles

question 51

Multiple Choice

-How does the distribution shown on the map of alleles for the B blood type support the hypothesis that there are no biological races of humans?

• A) All human groups show the same frequency of this allele.
• B) A distinct frequency pattern of this allele is found in each human group.
• C) A gradient of frequency of the allele is found from its origin in Asia outward to Europe.
• D) There's no pattern with respect to frequency of this allele throughout Asia and Europe.

---

Definitions:

Caring

Exhibiting kindness and concern for others.

Gametes

Reproductive cells (sperm in males and eggs in females) that carry genetic information and can fuse during fertilization to start the development of a new individual.

Zygote

The initial cell formed when a sperm cell from a male fertilizes an egg cell from a female, marking the beginning of a new organism's development.

Chromosome

One of the 46 molecules of DNA (in 23 pairs) that virtually every cell of the human body contains and that, together, contain all of the genes. Other species have more or fewer chromosomes.