{"id":89,"date":"2014-10-08T10:48:06","date_gmt":"2014-10-08T10:48:06","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecbio5u3hwrk\/unit-3-homework-sheet-12\/"},"modified":"2016-02-29T09:32:46","modified_gmt":"2016-02-29T09:32:46","slug":"unit-3-homework-sheet-12","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecbio5u3hwrk\/unit-3-homework-sheet-12\/","title":{"rendered":"Unit 3 Homework Sheet 12"},"content":{"rendered":"<p><strong>1.\u00a0 The following diagram shows the inheritance of tongue rolling in a family. <\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecbio5u3hwrk\/uploads\/sites\/5069\/2014\/10\/family-tree-2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-179\" 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1024w, https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecbio5u3hwrk\/uploads\/sites\/5069\/2014\/10\/family-tree-2.png 1200w\" sizes=\"auto, (max-width: 645px) 100vw, 645px\" \/><\/a><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>a) How many children do Tony and Janice have?\u00a0 <\/strong><strong>(1) <\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><strong>b) What is the phenotype of Andrew?<\/strong><strong>\u00a0(1)<\/strong><\/p>\n<p><strong>\u00a0<\/strong><strong>c) Which characteristic is dominant ?<\/strong><strong>\u00a0(1)<\/strong><\/p>\n<p><strong>\u00a0<\/strong><strong>d) Mark with a letter H <u>all <\/u>the individuals who are definitely homozygous<u>\u00a0<\/u>\u00a0\u00a0(1)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/strong><\/p>\n<p><strong>e) Is Janice homozygous or heterozygous for this trait? <\/strong><\/p>\n<p><strong>Give a reason for your answer.<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>Answer____________________________________________________<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>Reason____________________________________________________\u00a0\u00a0\u00a0\u00a0 (2)<\/strong><\/p>\n<ol start=\"2\">\n<li><strong> Study the diagram of inheritance of coat colour in leopards and answer the questions which follow. <\/strong><\/li>\n<\/ol>\n<table style=\"height: 91px\" width=\"424\">\n<tbody>\n<tr>\n<td><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecbio5u3hwrk\/uploads\/sites\/5069\/2014\/10\/leopards-tree.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-175\" src=\"https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/hyndsecbio5u3hwrk\/uploads\/sites\/5069\/2014\/10\/leopards-tree-300x283.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEKf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJIMEYCIQD4IwMOkp%2ByQWFn5ZalN4VLO%2FjGHcW1r9jKAFKPDmAxvAIhANJp9ZRaqZD7eiieG46ynMadRF%2BTHxfLPUwNPR8TYmXrKrkFCHAQBRoMMjczNTcwMTk1NDMzIgyvAfSo3X%2B6D%2BCfI4wqlgWc14hkIFAa5sTscC3PP91bgUxTMp5ynortXZ%2FIhi%2F3WZKTEubw12GtET9222OZjFw1kMRl7Qqg5F6AA4h5c8KQQpVTSPDrF%2F%2BQqgX8tkvvyT7GkCO%2FBm4YaAshuUiK%2FBEz5%2BXWelGsfHBg8qTE0ulkAEsu1kTPGvMzcvIz2u4mZGX%2FU0RMg1uKlrb5taQnmYy4RvAYQJgWQ1%2F7cUG39DoNEvifzNc%2BMDvtwE3J7LPlS4sGdoNj0M5ZfEjnc0GzRkO1nrvh%2BsT%2BkZ6yi%2BokMuoaCtSBvt%2BHQpuH1wQIl8p4Le3smaNBVf5rvWzmJygxFal1fH941SeQzYJ0Lh5ei0srT7Nm6DFf7nY91%2F%2FQEXRaUzjsBxP8yTuesenXH9YEXsLGc%2FJwe1h5DKPaLtbqeTYsebL%2FvrC1pSm4K7%2B35hNqBLnNKJ355TjhICsBYgkgD87oPrR98q1eqtEohBQCH6MjeHLQOucUkPw1a45xGC3Jh6o2U0OeGDIoN9mXW%2B%2BpSdGuYfKHiS6kxWDKmmXKW99hSOOxKTWvaQaT9qkYFH171H%2Bs4TE8YsdvZDSJq7GOMrrbow%2FJXd9gYo1Z97DBL9GGZoWY%2B1c51B6msgf8S5s7qvRE9MpXFivrf6WPbGvQbuhry0o42sw%2BQ5ayFfl9GSdrQGIg5IFg%2Fpo8RNjvqPkLdnYmMlzIwlrZVGsTo1%2B3iCKRM9wEgLTuvnpUa0SBTBwLc360gR66bQZUmi89z32rI53E41ixRW9VFw3HRjswvLafsLuztk5NOPAOR2tV460fFVpdON%2FP3sZJZw1f1dFL4Mp9M7vn0g7blHaUXi3PHxS3GT%2FXbSDuzoV7dz5nKnwchepy4rxW%2BJ5WI19zcaSedzvj0sX2ejDk3uLPBjqwAWsbFesYyyDsIbDHr0EePzwZ4UvUPawVBqyB3ZW7fn7EJ8bUJWuHZfMTa%2BomMjrfZvOVD2q2xwzBgiPQjEWWy2tDfkUQxKyN3x2CcU5G8d9kw3P2joNUq1gqTkaYCp1eYiUT0FV0VcZQ8sMRljqfg1zJSsb4k%2FZgERHsw%2BPZHuvzht9xcGsm3nwNhgKelZqzs%2FRH7YdovfjFzeZPELA9H72MtyxJmkye94GdPbTenhD0&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47UW774EEKX%2F20260504%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20260504T151602Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=c98a33a4e0945afd357c6ec77764f2ec5e1f12cc99bb1ee40b4f20762890fce1\" 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srcset=\"https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/hyndsecbio5u3hwrk\/uploads\/sites\/5069\/2014\/10\/leopards-tree-300x283.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEKf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJIMEYCIQD4IwMOkp%2ByQWFn5ZalN4VLO%2FjGHcW1r9jKAFKPDmAxvAIhANJp9ZRaqZD7eiieG46ynMadRF%2BTHxfLPUwNPR8TYmXrKrkFCHAQBRoMMjczNTcwMTk1NDMzIgyvAfSo3X%2B6D%2BCfI4wqlgWc14hkIFAa5sTscC3PP91bgUxTMp5ynortXZ%2FIhi%2F3WZKTEubw12GtET9222OZjFw1kMRl7Qqg5F6AA4h5c8KQQpVTSPDrF%2F%2BQqgX8tkvvyT7GkCO%2FBm4YaAshuUiK%2FBEz5%2BXWelGsfHBg8qTE0ulkAEsu1kTPGvMzcvIz2u4mZGX%2FU0RMg1uKlrb5taQnmYy4RvAYQJgWQ1%2F7cUG39DoNEvifzNc%2BMDvtwE3J7LPlS4sGdoNj0M5ZfEjnc0GzRkO1nrvh%2BsT%2BkZ6yi%2BokMuoaCtSBvt%2BHQpuH1wQIl8p4Le3smaNBVf5rvWzmJygxFal1fH941SeQzYJ0Lh5ei0srT7Nm6DFf7nY91%2F%2FQEXRaUzjsBxP8yTuesenXH9YEXsLGc%2FJwe1h5DKPaLtbqeTYsebL%2FvrC1pSm4K7%2B35hNqBLnNKJ355TjhICsBYgkgD87oPrR98q1eqtEohBQCH6MjeHLQOucUkPw1a45xGC3Jh6o2U0OeGDIoN9mXW%2B%2BpSdGuYfKHiS6kxWDKmmXKW99hSOOxKTWvaQaT9qkYFH171H%2Bs4TE8YsdvZDSJq7GOMrrbow%2FJXd9gYo1Z97DBL9GGZoWY%2B1c51B6msgf8S5s7qvRE9MpXFivrf6WPbGvQbuhry0o42sw%2BQ5ayFfl9GSdrQGIg5IFg%2Fpo8RNjvqPkLdnYmMlzIwlrZVGsTo1%2B3iCKRM9wEgLTuvnpUa0SBTBwLc360gR66bQZUmi89z32rI53E41ixRW9VFw3HRjswvLafsLuztk5NOPAOR2tV460fFVpdON%2FP3sZJZw1f1dFL4Mp9M7vn0g7blHaUXi3PHxS3GT%2FXbSDuzoV7dz5nKnwchepy4rxW%2BJ5WI19zcaSedzvj0sX2ejDk3uLPBjqwAWsbFesYyyDsIbDHr0EePzwZ4UvUPawVBqyB3ZW7fn7EJ8bUJWuHZfMTa%2BomMjrfZvOVD2q2xwzBgiPQjEWWy2tDfkUQxKyN3x2CcU5G8d9kw3P2joNUq1gqTkaYCp1eYiUT0FV0VcZQ8sMRljqfg1zJSsb4k%2FZgERHsw%2BPZHuvzht9xcGsm3nwNhgKelZqzs%2FRH7YdovfjFzeZPELA9H72MtyxJmkye94GdPbTenhD0&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UW774EEKX%2F20260504%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260504T151602Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=c98a33a4e0945afd357c6ec77764f2ec5e1f12cc99bb1ee40b4f20762890fce1 300w, https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecbio5u3hwrk\/uploads\/sites\/5069\/2014\/10\/leopards-tree.png 913w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u00a0<\/strong><strong>State whether the following statements are true or false.<\/strong><\/p>\n<ul>\n<li><strong>Both parents are homozygous for this trait\u00a0\u00a0 <\/strong><\/li>\n<li><strong>Both parents are heterozygous for this trait <\/strong><strong>\u00a0<\/strong><\/li>\n<li><strong>One parent is homozygous for this trait\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong><\/li>\n<\/ul>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (1)<\/strong><\/p>\n<p><strong>\u00a0<\/strong><strong>b) If the letter S is being used for \u2018spotted\u2019 fur, what is the genotype of\u00a0\u00a0 the parents?<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>Parent 1______________________\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Parent 2____________________ \u00a0\u00a0\u00a0 (1)<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><strong>c) Which coat colour is recessive?\u00a0<\/strong><strong>\u00a0(1)<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0d) Mark on the diagram the F1 generation (1)<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><strong>e) What term is used to describe two forms of the same gene?\u00a0<\/strong><strong>\u00a0\u00a0\u00a0(1)<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u00a03.\u00a0\u00a0 <\/strong><strong>In an experiment designed to predict the results of many crosses, 10 pupils each tossed two coins at random 8 times each. A \u201chead\u201d stood for H and a \u201ctail\u201d for h. Their results are shown in the table.<\/strong><\/p>\n<p><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecbio5u3hwrk\/uploads\/sites\/5069\/2014\/10\/table-offspring.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-176\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecbio5u3hwrk\/uploads\/sites\/5069\/2014\/10\/table-offspring.png\" alt=\"table offspring\" width=\"200\" height=\"262\" \/><\/a><\/p>\n<p><strong>a) \u00a0<\/strong><strong>How many homozygous results were there in total?<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>___________________________________________\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (1)<\/strong><\/p>\n<p><strong>\u00a0b)\u00a0 <\/strong><strong>Calculate the number of \u2018off-spring\u2019 which would have the dominant and recessive features. <\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>Dominant ___________________\u00a0\u00a0 Recessive __________________\u00a0\u00a0 (1)<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0c)\u00a0 <\/strong><strong>What percentage of the predicted \u2018offspring\u2019 are heterozygous?<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>_____________________________________________________\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (1)<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<ol start=\"4\">\n<li><strong>People today tend to be bigger than their parents and grandparents were, yet they have inherited their ancestors\u2019 genes. What other factor has an effect on phenotype?<\/strong><\/li>\n<\/ol>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>____________________________________________________________\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (1)<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.\u00a0 The following diagram shows the inheritance of tongue rolling in a family. &nbsp; \u00a0 a) How many children do Tony and Janice have?\u00a0 (1) \u00a0 \u00a0b) What is the phenotype of Andrew?\u00a0(1) \u00a0c) Which characteristic is dominant ?\u00a0(1) \u00a0d) Mark with a letter H all the individuals who are definitely homozygous\u00a0\u00a0\u00a0(1)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 e) Is Janice &hellip; <a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecbio5u3hwrk\/unit-3-homework-sheet-12\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Unit 3 Homework Sheet 12<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2454,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-89","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecbio5u3hwrk\/wp-json\/wp\/v2\/pages\/89","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecbio5u3hwrk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecbio5u3hwrk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecbio5u3hwrk\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecbio5u3hwrk\/wp-json\/wp\/v2\/comments?post=89"}],"version-history":[{"count":5,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecbio5u3hwrk\/wp-json\/wp\/v2\/pages\/89\/revisions"}],"predecessor-version":[{"id":180,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecbio5u3hwrk\/wp-json\/wp\/v2\/pages\/89\/revisions\/180"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecbio5u3hwrk\/wp-json\/wp\/v2\/media?parent=89"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}