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Reproductive systems

Male & female reproductive systems - 9th Biology

male reproductive organ that produces sperm and hormones, primarily testosterone Testis
having a single set of unpaired chromosomes Haploid
containing two complete sets of chromosomes, one from each parent. Diploid
asexual reproduction making 2 cells with identical DNA Mitosis
Cell division that produces gametes (reproductive cells) Meiosis
fertilized egg Zygote
sex cell - sperm or egg Gamete
male gamete Sperm
Female gamete (ovum) Egg
a female reproductive organ in which ova or eggs are produced, present in humans and other vertebrates as a pair. Makes several hormones including estrogen Ovary
DNA after mitosis - identical to the starting cell, or unique? Identical
DNA after meiosis - identical to the starting cell, or unique? Unique
meiosis makes what kind of cells? Sex cells
uncoiled DNA - the form DNA takes most of the life of the cell Chromatin
one of two identical "sister" parts of a duplicated chromosome Chromatid
bundle of DNA, usually uncoiled, but wrapped up into X or I shapes during cell reproduction - composed of many genes Chromosome
the number of chromosomes in a human zygote 46
number of chromosomes in a human gamete 23
the number of chromosomes in a human somatic (body) cell 46
the exchange of genes between homologous chromosomes, resulting in a mixture of parental characteristics in offspring. Crossing over
process that makes unique cells with brand new combinations of DNA Meiosis
process that makes sperm or egg - gametes Meiosis
process used to grow the body, repair damage, and reproduce single called organisms Meiosis
Created by: Angie_27
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