C) It makes the overall crop more susceptible to pests or disease. is the correct answer
Answer: D) Prokaryotes are only Single Celled
A prokaryotes are single celled or unicellular organism that do not have nucleus or other membrane bound organelle.
The size of prokaryotic cell normally ranges from 0.1 to 0.5 μm. The size of prokaryote are smaller than eukaryotes which ranges from 10–100 µm
Example: <em>E. coli</em>, <em>Streptococcus</em>
Answer:
Option d: black 75%, white 25%
Explanation:
The cross is between a homozygous black and a heterozygous black guinea pig
Parents gen. BB x Bb
F1 generation BB Bb Bb bb
The probability of an offspring with the same phenotype as its parents is
Genotype: BB - 25% and Bb - 50%, bb-25%
Phenotype: black 75%, white 25%
Answer:
Barr body may be defined as the one of the inactive X chromsome of the human female. The human female consists of XX chromosome whereas XY in male. To compensate the extra X chromosome in female one of the X chromosome become inactive and known as barr body. The barr body is found in the somatic cells.
Lyon hypothesis:
Lyon hypothesis states that dosage compensation occur in human females by the random inactivation of one of the X chromosome. The inactivated X chromosome is named as barr body. The lyon hypothesis was given by Mary Lyon.
