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%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
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% Document Info
\author{pokemonsz}
\pdfinfo{
  /Title (chromosomal-basis-of-heredity.pdf)
  /Creator (Cheatography)
  /Author (pokemonsz)
  /Subject (Chromosomal Basis of Heredity Cheat Sheet)
}

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% Commands
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% Header and Footer
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\fancyhead[L]{
\noindent
\begin{multicols}{3}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Chromosomal Basis of Heredity Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{pokemonsz} via \textcolor{DarkBackground}{\uline{cheatography.com/44231/cs/13104/}}}
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\noindent
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}pokemonsz \\
  \uline{cheatography.com/pokemonsz} \\
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\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 16th October, 2017.\\
   Updated 11th October, 2017.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
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  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
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\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{x{0.9154 cm} x{3.2039 cm} p{0.4577 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Meiosis I}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Prophase} I & Chromosomes condense, homologous pairs align, {\bf{synapsis}} (precise alignment, ensires 1 copy of each gene in a daughter cell). Synapsed set called a {\bf{tetrad}} (4 chromatids). Then, {\bf{crossing-over}} occurs (exchange of chromosome segments between pairs of {\emph{homologous}} chromosomes, or {\emph{nonsister chromatids}}). {\bf{Chiasma}} forms, visible structure from crossover. X and Y chromosomes pair and synapse thru terminal ends ({\emph{PARs}}). & 2N \tn 
% Row Count 16 (+ 16)
% Row 1
\SetRowColor{white}
\seqsplit{Metaphase} I & Nucleoli and envelope broken down, centroiles w/ spinde enternuclear area, {\emph{kinetechore microtubules}} attach to sister kinetochores, tetrads align at {\emph{metaphase plate}}. & 2N \tn 
% Row Count 22 (+ 6)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Anaphase} I & Chromosomes of tetrad separate (now {\bf{dyads}}). Sister chromatids remain attached at centromeres. {\emph{DNA content is halved.}} & 2N-N \tn 
% Row Count 27 (+ 5)
% Row 3
\SetRowColor{white}
\seqsplit{Telophase} I & Spindles dissasemble, cytokinesis forms two {\bf{haploid}} cells. & N \tn 
% Row Count 30 (+ 3)
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\mymulticolumn{1}{p{5.377cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/pokemonsz_1507731860_meiosis.jpg}}} \tn 
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\begin{tabularx}{5.377cm}{x{1.14471 cm} x{3.83229 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Meiosis II}}  \tn
% Row 0
\SetRowColor{LightBackground}
Prophase II & Chromosomes condense and spindles form, kinetochores attach to tubules.. \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\seqsplit{Metaphase} II & Alignment on metaphase plate. \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Anaphase II & Centromeres separate, daughter chromosomes (still haploid) pulled to opposite sides. \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
\seqsplit{Telophase} II & Chromosomes decondense, nuclear envelope forms, cytokinesis. {\emph{Four haploid cells produced, each with one chromosome from each homologous pair}}. \tn 
% Row Count 13 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Meiosis Results}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-heart\}\} Generates {\emph{haploid}} nuclei with {\emph{half}} the number of chromosomes found in diploid cell. (2N -\textgreater{} N) Diploid number restored in fertilization. \newline % Row Count 4 (+ 4)
\{\{fa-heart\}\} {\bf{Independent assortment of genes}} paternal and maternal chromosomes have an equal chance of aligning on one side of metaphase plate. \newline % Row Count 7 (+ 3)
\{\{fa-heart\}\} Number of chromosome arrangements is 2\textasciicircum{}n-1\textasciicircum{}, n= \# chromosomes pairs (haploid number). \newline % Row Count 9 (+ 2)
\{\{fa-heart\}\} Number of chromosome combinations resulting from {\emph{independent assortment}} is 2\textasciicircum{}n\textasciicircum{} (number of different {\emph{gametes}}). \newline % Row Count 12 (+ 3)
\{\{fa-heart\}\} Number of {\emph{kinds}} of genotypes is 3\textasciicircum{}n\textasciicircum{}.% Row Count 14 (+ 2)
} \tn 
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\begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} }
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Ploidy}}  \tn
% Row 0
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Haploid & ONE copy of each chromosome. (N) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Diploid & TWO copies (homologues) of each chromosome. (2N) \tn 
% Row Count 4 (+ 2)
% Row 2
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Homologous pairs & Same gene loci, structure, and pair during meiosis. \tn 
% Row Count 6 (+ 2)
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\par\addvspace{1.3em}

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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Genes}}  \tn
% Row 0
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\seqsplit{Allele} & Alternative forms of a single gene on the same locus that determine the same trait, but can produce different phenotypes. \tn 
% Row Count 4 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}