When you buy an Apple hardware product such as a Mac or an iPad, you get a one-year hardware warranty and 90 days of free phone-based tech support, starting from the date of purchase.ow long it extends support: For Macs and displays, AppleCare gets you a total of three yearsâ supportâin other words, it extends phone support by 33 months and the limited warranty by two years (for a total of three years).
Definition of heterozygous. : having the two alleles at corresponding loci on homologous chromosomes different for one or more loci.
Heterozygous means that an organism has two different alleles of a gene. For example, pea plants can have red flowers and either be homozygous dominant (red-red), or heterozygous (red-white). If they have white flowers, then they are homozygous recessive (white-white). Carriers are always heterozygous.