Answer:
A burning candle is extinguished when it is covered with a jar.
Explanation:
the candle extinguishes because there is no oxygen in the empty jar
the candle burns longer in a jar with a plant because thye plant gives out o2 and o2 is a supporter of combustion.
the plant also lives longer because the candle gives out co2 after combustion which the plant uses co2 for photosynthesis.
<span>During the development of
a gamete, the two alleles of the P generation separate. Each gamete carries one allele from each
parent which randomly pairs in the F1 generation. This mechanism repeats when
F1 plants cross and yield F2 plants. The
outcome of the F2 generation would then have new combinations of alleles which
can be different compared to the preceding generations.</span>
It would not be a sex cell. a sex cell definition it has half the chromosomes. Hope this helps.
Answer:
Uracil (A goes with T in DNA and U in RNA molecule)
