TRISOMY
duplicate or replicate
A Trisomy 1. Another said this was Down's Syndrome.
It may be said as a playful threat for a physical bite, but it would usually be said implying that the person saying it will copy/mimic/do the same as the person it is being said to has done.
It is said to replicate
Linked On A Chromosome
During meiosis homologous chromosomes are separated and only one copy of each chromosome goes into the gamete. If they aren't separated correctly, both copies may go into the gamete. After fertilisation, the embryo will contain 3 copies of that chromosome. If this occurs with chromosome 21, it will result in Down Syndrome.
synthesize
There is only one pair fo chromosome in a sex cell.
A chromosome pair, as in a pair of Chromosome 15, or a pair of Chromosome 5. Others have said Tetrad - Pls stand-by.
It sends a copy of the mail to said person(s) Bcc is the same, only the reciver does not know who else gets a copy.
Recessive traits on X chromosome are expressed in males because they have only one copy of X chromosome. If they have any recessive gene it will be expressed. In female both the genes should be recessive then only the recessive character will be expressed.
Genes on the same chromosome are said to be linked