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Number of cats cat color Agouti Black-brown Dilute Siamese spotted Orange X-link

ID: 10863 • Letter: N

Question

Number of cats cat color Agouti Black-brown Dilute Siamese spotted Orange X-linked) White   5 black tabby with white A_ B_ D_ C_ Ss XoXo ww   5 black tabby, no white A_ B_ D_ C_ ss XoXo ww   5 black, no  white aa B_ D_ C_ ss xoxo ww   5 white, non-pink eyes ?? ?? ?? ?? ?? ?? W_   4 orange male ?? ?? D_ C_ ss XOy ww   3 Black and white aa B_ D_ C_ Ss xoxo ww   3 black siamese aa B_ D_ cscs ss xoxo ww   3 blue aa B_ dd C_ ss xoxo ww   3 orange with white male ?? ?? D_ C_ Ss XOy ww   1 Abyssinian (black tabby)* A_ B_ D_ C_ ss xoxo ww   1 blue siamese aa B_ dd cscs ss xoxo ww   1 brown aa bb D_ C_ ss xoxo ww   1 calico (no white, black tabby) A_ B_ D_ C_ ss XOXo ww   1 calico (with white, black tabby) A_ B_ D_ C_ Ss XOXo ww   1 Egyptian Mau (black tabby)* A_ B_ D_ C_ ss XoXo ww   1 orange, no white femail ?? ?? D_ C_ ss XOXO ww                         * Abyssinians and Egyptian Maus are basically a tabby cat with a differnent allele at locus T (which we didn't look at).                               Phenotype Genotype   Allele frequencies         14 Agouti A_   A   0.269703257 freq. of A allele   16 non-agouti aa   a 0.533333333 0.730296743 freq. of a allele                       29 Black B_   B   0.817425814 freq. of B allele   1 Brown bb   b 0.033333333 0.182574186 freq. of b allele                       34 Non-dilute D_   D   ?? freq. of D allele   4 dilute dd   d   ?? freq. of d allele                       11 spotted (heterozygotes) Ss   S   0.148648649 freq. of S allele   26 non-spotted ss   s   0.851351351 freq. of s allele                       5 White W_   W   ?? freq. of W allele   38 non-white ww   w   ?? freq. of w allele                       34 Not pointed C_   C   0.675557158 freq. of C allele   4 pointed (siamese) markings cscs   cs 0.105263158 0.324442842 freq. of cs allele                                         Answer the following questions                                     1)  What are the allele frequencies of D, d, W and w?                                   2 ) How many of the Agouti cats are homozygous (AA) and how many are heterozygous (Aa)?              
               
Please scroll to the right to see all the columns/data. Thanks!             Number of cats cat color Agouti Black-brown Dilute Siamese spotted Orange X-linked) White   5 black tabby with white A_ B_ D_ C_ Ss XoXo ww   5 black tabby, no white A_ B_ D_ C_ ss XoXo ww   5 black, no  white aa B_ D_ C_ ss xoxo ww   5 white, non-pink eyes ?? ?? ?? ?? ?? ?? W_   4 orange male ?? ?? D_ C_ ss XOy ww   3 Black and white aa B_ D_ C_ Ss xoxo ww   3 black siamese aa B_ D_ cscs ss xoxo ww   3 blue aa B_ dd C_ ss xoxo ww   3 orange with white male ?? ?? D_ C_ Ss XOy ww   1 Abyssinian (black tabby)* A_ B_ D_ C_ ss xoxo ww   1 blue siamese aa B_ dd cscs ss xoxo ww   1 brown aa bb D_ C_ ss xoxo ww   1 calico (no white, black tabby) A_ B_ D_ C_ ss XOXo ww   1 calico (with white, black tabby) A_ B_ D_ C_ Ss XOXo ww   1 Egyptian Mau (black tabby)* A_ B_ D_ C_ ss XoXo ww   1 orange, no white femail ?? ?? D_ C_ ss XOXO ww                         * Abyssinians and Egyptian Maus are basically a tabby cat with a differnent allele at locus T (which we didn't look at).                               Phenotype Genotype   Allele frequencies         14 Agouti A_   A   0.269703257 freq. of A allele   16 non-agouti aa   a 0.533333333 0.730296743 freq. of a allele                       29 Black B_   B   0.817425814 freq. of B allele   1 Brown bb   b 0.033333333 0.182574186 freq. of b allele                       34 Non-dilute D_   D   ?? freq. of D allele   4 dilute dd   d   ?? freq. of d allele                       11 spotted (heterozygotes) Ss   S   0.148648649 freq. of S allele   26 non-spotted ss   s   0.851351351 freq. of s allele                       5 White W_   W   ?? freq. of W allele   38 non-white ww   w   ?? freq. of w allele                       34 Not pointed C_   C   0.675557158 freq. of C allele   4 pointed (siamese) markings cscs   cs 0.105263158 0.324442842 freq. of cs allele                                         Answer the following questions                                     1)  What are the allele frequencies of D, d, W and w?                                   2 ) How many of the Agouti cats are homozygous (AA) and how many are heterozygous (Aa)?              
               
Please scroll to the right to see all the columns/data. Thanks!            

Explanation / Answer

AA homozygous p^2 hardy weinberg 0.269703257x 0.269703257= .072739847 x100

Aa heterozygous 2(pxq) 0.269703257 x 0.730296743 = .19696341 x2 = .392 x100