Article: Sexual Reproduction, Evolution of
Biology;      700+ words ... ... reproduction. In contrast, sexual reproduction involves the union ... sex cells (eggs and sperm) from two parents ... males produce enough sperm to fertilize the eggs ... resulting in many wasted sperm. In light of all of ... disadvantages, why did sexual reproduction evolve? For some ...

Article: Gene Expression Profiling Using cDNA Microarray Analysis of the ...
Plant Physiology;  May 1, 2006 ;     700+ words ... ... to the process of sexual reproduction. To elucidate the ... communication during sexual reproduction, we created a normalized ... regulated during sexual reproduction and/or by the addition ... between the egg and sperm cells of land plants ...

Article: Yeast can undergo sexual reproduction despite ...
Asian News International;  May 25, 2009 ;     700+ words ... ... which we can explore the mechanisms of sexual reproduction. This provides a new way to study sexual reproduction and how chromosomal abnormalities arise ... the great majority of those fusions of sperm and egg don't make it to the implantation ...

Article: Yeast missing sex genes undergo unexpected sexual ...
Biotech Week;  June 10, 2009 ;     700+ words ... ... we can explore the mechanisms of sexual reproduction," Reedy said. "This provides a new way to study sexual reproduction and how chromosomal abnormalities ... great majority of those fusions of sperm and egg don't make it to the implantation ...

Article: Calamari choreography. (sexual reproduction in ...
Science News;  May 10, 1997 ;     700+ words ... ... The circling males pass packets of sperm to females that have been drawn into ... partner is actually the source of the sperm isn't clear. Smaller "sneaker" males frequently cut in and pass off sperm to paired females; some females also ...

Article: Sexual reproduction controlled by hormone
University Wire;  February 22, 2006 ;     700+ words ... ... hormones go into the bloodstream, making their way to the gonads in males where they stimulate production of testosterone and sperm maturation. In females, the hormones produce estradiol. Estradiol-a sex steroid hormone that is a more concentrated form ...

Article: Flexibility trumps fitness in sexual reproduction, ...
Genomics & Genetics Weekly;  December 12, 2008 ;     700+ words ... ... often been assumed that sexual reproduction should somehow facilitate ... different individuals, sexual reproduction could create a very successful ... of genes. But just as sexual reproduction will create that very successful ...