Case 2A - Fertilization

12 important questions on Case 2A - Fertilization

Why is it important that insemination ir mating takes place in a short time after ovulation?

The spermcells and oocytes have a limited fertile lifespan. To maximize the change of fertilisation the oocyte must be fertilised before its lifespan runs out.

How do mammals with a regular oestrous cycle maximise fertilisation?

By the fact that females are only willing to mate during the period of time of ovulation.

How do mammal that do not have a regular oestrous cycle maximise fertilisation?

It is maximised because the animal only ovulates at he time of mating.
  • Higher grades + faster learning
  • Never study anything twice
  • 100% sure, 100% understanding
Discover Study Smart

How is fertilisation maximised in animals that do not have an oestrous period?

Mating can take place all the time because ovulation is very frequent.

What is internal fertilisation?

Fertilisation takes place inside the animal

What is external fertilisation?

Fertilisation takes place outside of the animal?

Where does semen deposition take place in the cow and ewe(female sheep)?

In the cranial part of the vagina.

Where does semen deposition take place inside the pig and horse?

In the cranial part of the cervix and directly in the uterus.

In which animals does fertilisation take place in the ampulla?

  • Cow
  • Ewe
  • Sow
  • Mare

Where does fertilisation take place in the chicken?

In the funnel (end of the oviduct)

How does external fertilisation take place in fish species?

Ask during lecture!

What is the maturation process of spermcells from bull, ram, boar and stallion called?

This is called capacitation

The question on the page originate from the summary of the following study material:

  • A unique study and practice tool
  • Never study anything twice again
  • Get the grades you hope for
  • 100% sure, 100% understanding
Remember faster, study better. Scientifically proven.
Trustpilot Logo