What is the primary androgenic steroid hormone that is produced in the testes? More than one answer may be correct. Points are deducted for incorrect answers.

Which is important in regulating the production of chicken eggs and meat included in diets of many humans as a nutrients source? There may be more than one correct answer. Points are deducted for incorrect answers.

The establishment of the placenta is necessary for the exchange of all of the following between the fetal and maternal environment EXCEPT:

In which industries is artificial insemination utilized to a great extent to produce the desired offspring?

All female mammals have paired XX chromosomes and males have XY chromosomes.  

Crossing over of genetic material between homologous chromosomes during Prophase I of meiosis contributes to the variation in genetic composition of sibling animals.

Match the trait and its descriptor.

Which tissue of the uterus has decreased contractility in response to the hormone progesterone? More than one answer may be correct. Points are deducted for incorrect answers.

The [choice] determines which strand of DNA is transcribed. 

Which affect gene regulation processes of protein biosynthesis in animals? There may be more than one correct answer. Points are deducted for incorrect answers.