The effects that are then passed on to the children of the veteran's children—that is, the grandchildren, the F2 generation, who were not exposed to the toxicant directly or via the germ cells—are called transgenerational effects. On the instability of polygenic sex determination: the effect of sex-specific selection.
Control of doublesex alternative splicing by transformer and transformer-2 in Drosophila. Faulk C, Dolinoy DC.
The female has…. Khan Academy. So, It can not be said that genes on X chromosome are expressed only in cells associated with reproductive system; some of these genes are actually expressed in various somatic tissues of both sexes through entire life.
The Y chromosome has one long arm and a very short second arm.
The transmission of health effects to his or her children, grandchildren, and subsequent generations resulting from a veteran's exposures is referred to as generational inheritance. Figure 2. This machinery modifies chromatin in ways that change genome structure and function—for example, modifying how DNA is condensed into chromosomes—and determines when genes are expressed or silenced Atlasi and Stunnenberg, ; Youn, Faulk C, Dolinoy DC.
In house flies, populations that contain only one M factor found only in a heterozygous state either Y-linked, X-linked, or autosomal will produce a ratio of males to females.