Author Question: If gastrulation was blocked by an environmental toxin, then A) cleavage would no (Read 717 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
If gastrulation was blocked by an environmental toxin, then
A) cleavage would not occur in the zygote.
B) embryonic germ layers would not form.
C) fertilization would be blocked.
D) the blastula would not be formed.
E) the blastopore would form above the gray crescent in the animal pole.



clippers!

  • Hero Member
  • *****
  • Posts: 828
For sure it has to be B Mark as solved once you're done!



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Medication errors are three times higher among children and infants than with adults.

For a complete list of videos, visit our video library