Multiple Choice
A woman ovulates two eggs that are fertilized by different sperm.The embryos implant and develop to full term.The two babies the woman gives birth to are
A) identical twins, with identical genomes.
B) identical twins, sharing 50 percent of their genes.
C) non-identical twins, with no genes in common.
D) non-identical twins, with a 50 percent chance of being the same sex.
E) identical twins, with a 50 percent chance of being the same sex.
Correct Answer:
Verified
Correct Answer:
Verified
Q125: Refer to the figure showing manipulations carried
Q126: Experimental destruction of cells of the hypoblast
Q127: The mesoderm of the anterior part of
Q128: In placental mammals, implantation would fail if
Q129: A body plan consisting of repeating segments
Q131: If you experimentally removed the GSK-inhibiting protein
Q132: Epiboly<br>A) is a form of convergent extension
Q133: Which are least likely to be cytoplasmic
Q134: Experimental overexpression of β-catenin in another region
Q135: Which feature characterizes the chick gastrula?<br>A) It