WebThe 23rd pair is the sex chromosomes (X and Y). Sex chromosomes The pair of sex chromosomes determines whether a fetus becomes male or female. Males have one X and one Y chromosome. A male’s X comes from his mother and the Y comes from his father. Females have two X chromosomes, one from the mother and one from the father.

Y chromosome: MedlinePlus Genetics

WebA) male hormones such as testosterone often alter the effects of mutations on the X chromosome. B) female hormones such as estrogen often compensate for the effects of mutations on the X chromosome. C) X chromosomes in males generally have more mutations than X chromosomes in females. D) males are hemizygous for the X … WebHumans have two kinds of sex chromosomes, an X and a Y. The mix of chromosomes you have plays a big part in determining how you will develop. People usually have two … new deal and unemployment

Solved A D. melanogaster male is homozygous for a Chegg.com

Web46,XX testicular difference of sex development Description 46,XX testicular difference of sex development is a condition in which individuals with two X chromosomes in each cell, the pattern typically found in females, have a male appearance. People with this condition have male external genitalia. WebHumans, for instance, have 46 chromosomes in a typical body cell (somatic cell), while dogs have 78 1 ^1 1 start superscript, 1, end superscript. Like many species of animals … WebThe two most important features of the genetic behavior of human Y-chromosomes are the lack of homologous chromosome exchanges for many of its regions (except for PAR1 and PAR2, as described below), and a male-limited transmission of the male-specific Y (MSY) segment [ 13] ( Figure 1 ). new deal apush dbq