tetraploidy

adjective Biology.

1. having a chromosome number that is four times the basic or haploid number.

noun

2. a tetraploid cell or organism.

adjective

1. having four times the haploid number of chromosomes in the nucleus

noun

2. a tetraploid organism, nucleus, or cell

adj.

1. Having four times the haploid number of chromosomes in the cell nucleus.

n.

1. A tetraploid individual.