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chapter 11

sexual reproduction and meiosis

QuestionAnswer
sexual reproduction is..... 2 parents give genetic material to produce offspring
what is a somatic cell.... do not participate in sexual reproduction
how many chromosomes does a human somatic cell have 46
what is a germ cell specializes in sexual reproduction
what is another name for a reproductive cell gamete
male gamete? sperm
female gamete? ovum(egg)
how many chromosomes do human gametes have 23
what is a zygote fusion of gametes
define diploid 2 sets of chromosomes (cell)
diploid symbol 2n
define haploid 1 set of chromosome
haploid symbol n
male animals produce gametes spermatogenesis
female animals produce gametes oogenisis
name the human sex chromosomes x and y
what are homologous chromosomes chromosomes similar in size shape and genes
what happens during crossing over exchange of genetic material
in meiosis what phase does crossing over occur prophase 1
what is separated in anaphase 1 homologous chromosomes
how many cells are formed in telophase1 2
what lines up in metaphase 2 single chromosomes
what is separated in anaphase 2 sister chromatids
how many cells are formed at the end of telophase 2 4
what types of cells are formed in the end of telophase 2 gametes
what are the 3 contributions to genetic variations crossing over independent assortment random fertilization
Created by: cadencia2003