_________ of the genes found on the X chromosome are duplicated on the Y chromosome.
a. All
b. None
c. Most
d. Some
Question 2
You were recently introduced to your roommate's sibling. To your surprise, even though the siblings are the same sex, they look nothing alike. Which of the following is the best explanation of this situation?
a. They must have different parents, as genetic inheritance ensures that they share a significant number of genes.
b. Although they started out very similar genetically, their genotypes have changed during development to make them look very different.
c. Given the number of different combinations of genes possible during reproduction, it may be that the two siblings don't really share many gene alleles.
d. One has expressed only recessive genes, while the other has not.
Magnetosomes found in the spirillum Magnetospirillum magnetotacticum.
Some obesity genes in the human genome. The green triangles represent single genes in which obesity
The steps in the process of creating a karyotype for chromosome analysis.
Functional categories of human genes
The structural genes of the lac operon are transcribed into a single polycistronic mRNA
For each chromosome type in the body, there are two copies. One is from the mother, and one is from