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Male sperm cells in humans and other mammals are heterogametic and contain one of two types of sex chromosomes. Female egg cells, however, contain only the x sex chromosome and are therefore homogametic.   gamete cells, also known as sex cells, are the cells responsible for sexual reproduction. A male gamete is called sperm (spermatozoa) and is a haploid cell formed through spermatogenesis. A female gamete is called an ova or egg cells (oocytes), which are haploid cells carrying one copy of each chromosome. Human fertilization process of sperm and egg cell diagram common cells of the human body fertilization. Penetration sperm cell of the egg structure of the sperm human natural fertilization process vector chart education chart of biology for male reproductive system diagram male muscular system, full anatomical body diagram with muscle scheme, vector illustration educational poster. Compare the diagram of a haploid fruit fly gamete to the diagram of a diploid fruit fly body cell. The penis is the male sex organ, reaching its full size during puberty. In addition to its sexual function, the penis acts as a conduit for urine to leave the body.   the male parts of the flower (each consists of an anther held up on a filament) anthers produce male sex cells (pollen grains) stigma the top of the female part of the flower which collects. The human penis is an external male intromittent organ that additionally serves as the urinal duct. The main parts are the root (radix) the body (corpus) and the epithelium of the penis including the shaft skin and the foreskin (prepuce) covering the glans penis. The body of the penis is made up of three columns of tissue two corpora cavernosa on the dorsal side and corpus spongiosum between. The male reproductive system consists of a number of sex organs that play a role in the process of human reproduction. These organs are located on the outside of the body and within the pelvis. The main male sex organs are the penis and the testicles which produce semen and sperm, which, as part of sexual intercourse, fertilize an ovum in the females body the fertilized ovum develops into a. The purpose of the organs of the male reproductive system is to perform the following functions. To produce, maintain, and transport sperm (the male reproductive cells) and protective fluid.   worksheet with diagrams of female and male gametes (sex cells). Labels given under each diagram, to be added to correct place.

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