« previous next »

Author Question: Evidence that parthenogenic whiptail lizards are derived from sexually reproduci (Read 538 times)

go.lag

  • Hero Member
  • *****
  • Posts: 667
on: Sep 28, 2013
Evidence that parthenogenic whiptail lizards are derived from sexually reproducing ancestors includes
A) the requirement for male-like behaviors in some females before their partners will ovulate.
B) the development and then regression of testes prior to sexual maturation.
C) the observation that all of the offspring are haploid.
D) dependence on favorable weather conditions for ovulation to occur.
E) the persistence of a vestigial penis among some of the females.


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: Sep 30, 2013
For sure it has to be A Mark as solved once you're done!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Chameleons are a clade of lizards Chameleons are a clade of lizards
Comparison of the chemical structures of psilocybin and LSD. Psilocybin (left) is derived from a mus Comparison of the chemical structures of psilocybin and LSD. Psilocybin (left) is derived from a mus
11.2 The chemical structure of mescaline, derived from the peyote cactus 11.2 The chemical structure of mescaline, derived from the peyote cactus
Tumor marker analysis of a patient with no evidence of disease monitored for tumor recurrence. The ... Tumor marker analysis of a patient with no evidence of disease monitored for tumor recurrence. The ...
Sexual assault evidence collection kit. Sexual assault evidence collection kit.
Early geologists discovered evidence of past glaciations in U-shaped valleys Early geologists discovered evidence of past glaciations in U-shaped valleys
Video: Oxygen transport - methods and oxyhemoglobin

For a complete list of videos, visit our video library