In female mammals,
A) the maternally inherited X chromosome is shut off in every cell.
B) the paternally inherited X chromosome is shut off in some cells.
C) one X chromosome is shut off in a germline cell.
D) both SRY genes are activated.
B) the paternally inherited X chromosome is shut off in some cells.
You might also like to view...
What is the term for a culture made from one isolated colony?
A. Pure B. Mixed C. Axenic D. Both axenic and mixed are correct. E. Both axenic and pure are correct.
________ prevent the backflow of blood in veins
Fill in the blank(s) with correct word
What did Engelmann conclude about the congregation of bacteria in the red and blue areas?
A) Bacteria congregated in these areas due to an increase in the temperature of the red and blue light. B) Bacteria congregated in these areas because these areas had the most oxygen being released. C) Bacteria are attracted to red and blue light and thus these wavelengths are more reactive than other wavelengths. D) Bacteria congregated in these areas due to an increase in the temperature caused by an increase in photosynthesis.
Which term refers to an individual with three or more copies of each of their chromosomes?
a. aneuploid b. haploid c. polyploid d. euploid