How can a scientist determine which chromosome from each chromosome pair will go into a sex cell?
Answers
Typically, human females have two X chromosomes while males possess an XY pairing. This XY sex-determination system is found in most mammals as well as some reptiles and plants. Whether a person has XX or XY chromosomes is determined when a sperm fertilizes an egg.
same species. In the Type B species, however, the chromosome number was the same in both sexes. Therefore, sex could not be determined in a universal way by the number of chromosom
es in organisms' regular somatic cells.
same species. In the Type B species, however, the chromosome number was the same in both sexes. Therefore, sex could not be determined in a universal way by the number of chromosomes in organis
ms' re
gular somatic cells.
same species. In the Type B species, however, the chromosome number was the same in both sexes. Therefore, sex could not be determined in a universal way by the number of chromosomes in organisms' regular somatic cells.