Trisomy 21, as illustrated by the karyotype, is caused by nondisjunction. This occurs when chromosomes do not separate properly during meiosis.
Answer is D) nondisjunction
The hydrocarbon which would most likely be an alkyne is COMPOUND W WHICH HAS A BOILING POINT OF -23.
This is because, among hydrocarbons, alkynes have the highest boiling points as a result of the triple bonds in their structures.
The boiling points of the other compounds are -103.7, -47 and -75; all these boiling points are lower than that of compound W.
Answer: The effects of which are devastating to human life, flora and fauna, which depend on these resources for their survival. Contamination of water causes disruptions of food chains and destruction of ecosystems. A deadly by-product of this water pollution is the spread of water-borne diseases such as cholera, typhoid etc.
Explanation:
The lobe in the cerebral cortex which corresponds
to the touch and body position is the Parietal Lobe. It is placed in the middle
portion of the brain. A part of the
brain called somatosensory cortex is situated in this lobe which is important in dealing the
body’s senses.
