In zoo animals, inbreeding often occurs because of a lack of a sufficient pool of breeding individuals. Under such conditions, what two characteristics are often exhibited among inbred organisms?
What will be an ideal response?
higher frequency of aberrant phenotypes and higher mortality rates
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Antigen binding sites on one antibody:
a. are the same as on all other antibodies b. will bind to several different antigens c. are unique and specific to one antigen d. consist of light chain variable regions only e. are the same as all membrane bound receptors
The ____ protects the heart and lungs
a. vertebral column b. pelvic girdle c. pectoral girdle d. ribs and sternum e. breastplate and pelvic girdle
Refer to the paragraph on the orangutan breeding program. Which of the following hormones would you use if you want to induce ovulation right away?
A) estradiol (estrogen) B) progesterone C) luteinizing hormone (LH) D) human chorionic gonadotropin (hCG)
Lions are not always successful hunters and may go days between meals. What evolutionary adaptation helps the lion survive periods of famine?
A) formation of a two-chambered stomach B) an extended cecum C) an expandable stomach D) a rich microbial flora in the colon