These steps are characteristic of a diplontic life cycle, in which haploid gametes are produced.
Answer:
a. The maternal copy of UBE3A is expressed and the paternal copy is silenced.
Explanation:
When UBE3A chromosome is in neurons, paternal allele is silent and maternal allele is expressed in process of genomic imprinting. In some cases UBE3A is expressed from both paternal and maternal chromosomes. The paternal chromosome is blue whereas maternal chromosome is magenta.
"A. Natural resources and human labour".
I agree.
Explanation:
carbon dioxide released during decay.