Answer:
The meristematic cells can be oval or rounded or polygonal in shape. They have a large nucleus with no vacuoles. Intercellular space between cells is absent. The cells are also small in size but have a high capacity of cell division.
Explanation:
Found in undifferentiated plant cells.
Answer:
Explanation:
β-catenin is a dual function protein, involved in regulation and coordination of cell–cell adhesion and gene transcription. ... In humans, the CTNNB1 protein is encoded by the CTNNB1 gene.
Answer:
1. TT=Homozygous ,Bb=He, DD=Homozygous, Ff=He, tt=Homozygous, dd=Homozygous, Dd=He, ff=Homozygous, Tt=He, bb=Homozygous, BB=Homozygous, FF=Homozygous
Purebred: use all the Homozygous combinations
Hybrid: are all the heterozygous(He) combinations.
2. YY=Yellow, Yy=Yellow, yy=blue------- SS=Square, Ss=Square, ss=round
3. Tall=TT or Tt , Short=tt ---------- Pink body=PP or Pp, Yellow body=pp
Explanation:
For question 4 and 5 I would advise you to look at videos to learn the punnet square.
<span>A theory is replaced rather than revised when the fundamental assertions or ideas behind the theory are proved to be incorrect. When a theory is replaced it is called superceded or obsolete (but only if it was once accepted by the scientific community at large - fringe theories remain fringe theories). One example is Lamarckism in evolutionary theory which was succeeded by Mendel’s ideas of genetics and Darwin’s theory of evolution.</span>