the direct method of cell division characterized by simple division of the nucleus without formation of chromosomes
n (genetics) an organism or cell having a diploid set of chromosomes from each parent
n the stage of meiosis or mitosis when chromosomes move toward opposite ends of the nuclear spindle
n male parthenogenesis in which the embryo contains only paternal chromosomes due to the failure of the egg nucleus to participate in fertilization
appear in pairs in body cells but as single chromosomes in spermatozoa
giant chromosomes
[医] 巨染色体(多线染色体,刷形染色体)
heterotypical chromosomes
[医] 异型染色体, 性染色体
inversion of chromosomes
[医] 染色体倒位
inversions of chromosomes
[医] 染色体逆位
lampbrush chromosomes
[医] 刷形染色体
minichromosomes
(minichromosome 的复数) 微型染色体
nucleolar chromosomes
[医] 核仁染色体
odd chromosomes
[医] 奇染色体, 性染色体
polytene chromosomes
[医] 多线染色体
reduction of chromosomes
[医] 染色体减数
sex chromosomes
[医] 性染色体