TLS Online TPP Program

#Question id: 6953


Maternal factors are:

#I Life Science/ Life Sciences Group – I-V
  1. energy rich proteins and lipids packaged into the vegetal pole
  2. mRNAs and proteins packaged into the egg by the mother, which act to control early development in the embryo
  3. genes contributed to the embryo by the maternal haploid genome
  4. components of the cortical granules which prevent polyspermy
More Questions
TLS Online TPP Program

#Question id: 8709

#SCPH28 | Zoology

Eukaryotes that are not closely related and that do not share many anatomical similarities can still be placed together on the same phylogenetic tree by comparing their ________.

TLS Online TPP Program

#Question id: 8710

#SCPH05 I Biotechnology

A phylogenetic tree constructed using sequence differences in mitochondrial DNA would be most valid for discerning the evolutionary relatedness of ________.

TLS Online TPP Program

#Question id: 8710

#SCPH28 | Zoology

A phylogenetic tree constructed using sequence differences in mitochondrial DNA would be most valid for discerning the evolutionary relatedness of ________.

TLS Online TPP Program

#Question id: 8712

#SCPH28 | Zoology

The lakes of northern Minnesota are home to many similar species of damselflies of the genus Enallagma. These species have apparently undergone speciation from ancestral stock since the last glacial retreat about 10 thousand years ago. Sequencing which of the following would probably be most useful in sorting out evolutionary relationships among these closely related species?

TLS Online TPP Program

#Question id: 8713

#SCPH28 | Zoology

Which statement represents the best explanation for the observation that the nuclear DNA of wolves and domestic dogs has a very high degree of sequence homology? Dogs and wolves ________.

TLS Online TPP Program

#Question id: 8714

#SCPH28 | Zoology

The reason that paralogous genes can diverge from each other within the same gene pool, whereas orthologous genes diverge only after gene pools are isolated from each other, is that ________.