FYI: Most food is usually safe at room temperature for about two hours. If [food] feels as cold inside that lunch box as it feels inside your refrigerator, everything's good, she adds. If it doesn't feel cold to your hand, it's not..â¢Remember: How food is handled during its travels through the food chain can vary.YI: Most food is usually safe at room temperature for about two hours. If [food] feels as cold inside that lunch box as it feels inside your refrigerator, everything's good, she adds. If it doesn't feel cold to your hand, it's not..
Pairs of chromosomes that are not identical but have genes for the same trait arranged in the same order Homologous Chromosomes Each pair of cells has one chromosome from the mother and one chromosome from the father
Process of fertilisation. A pair of chromosomes carry the same genes in the same place, on each chromosome within the pair. However, there are different versions of a gene called alleles. These alleles may be the same (homozygous) on each pair of chromosomes, or different (heterozygous), for example, to give blue eyes or brown eyes. Sex cells only contain one chromosome from each pair. When an egg cell and sperm cell join together, the fertilised egg cell contains 23 pairs of chromosomes.