{"id":194958,"date":"2025-02-25T10:12:21","date_gmt":"2025-02-25T10:12:21","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=194958"},"modified":"2025-02-25T10:12:26","modified_gmt":"2025-02-25T10:12:26","slug":"in-guinea-pigs-black-hair-color-is-dominant-b-and-white-hair-color-is-recessive-b","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/02\/25\/in-guinea-pigs-black-hair-color-is-dominant-b-and-white-hair-color-is-recessive-b\/","title":{"rendered":"In guinea pigs, black hair color is dominant (B) and white hair color is recessive (b)"},"content":{"rendered":"\n<p>In guinea pigs, black hair color is dominant (B) and white hair color is recessive (b). What hair color are the guinea pigs offspring from the Punnett Square above?&#8221;<br>A all black<br>B. all white<br>C. mostly white with some black<br>D. mostly black with some white<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p>To determine the hair color of guinea pig offspring, we analyze the Punnett Square. Since black hair color (B) is <strong>dominant<\/strong>, and white hair color (b) is <strong>recessive<\/strong>, the possible genetic crosses depend on the parental genotypes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Possible Parent Genotypes:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>BB (Homozygous Black) x BB (Homozygous Black)<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>All offspring are <strong>BB<\/strong> (100% black).<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>BB (Homozygous Black) x Bb (Heterozygous Black)<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>50% <strong>BB<\/strong> (Black), 50% <strong>Bb<\/strong> (Black) \u2192 <strong>100% black offspring<\/strong>.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>BB (Homozygous Black) x bb (Homozygous White)<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>100% <strong>Bb<\/strong> (Black, carries white gene).<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Bb (Heterozygous Black) x Bb (Heterozygous Black)<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>25% <strong>BB<\/strong> (Black), 50% <strong>Bb<\/strong> (Black), 25% <strong>bb<\/strong> (White).<\/li>\n\n\n\n<li><strong>Offspring: 75% black, 25% white.<\/strong><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Bb (Heterozygous Black) x bb (Homozygous White)<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>50% <strong>Bb<\/strong> (Black), 50% <strong>bb<\/strong> (White).<\/li>\n\n\n\n<li><strong>Offspring: 50% black, 50% white.<\/strong><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>bb (Homozygous White) x bb (Homozygous White)<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>100% white offspring<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p>If the Punnett Square indicates a <strong>Bb x Bb<\/strong> cross, then the offspring are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>75% black<\/li>\n\n\n\n<li>25% white<\/li>\n<\/ul>\n\n\n\n<p>Thus, the correct answer is:<br><strong>D. Mostly black with some white.<\/strong><\/p>\n\n\n\n<p>This pattern occurs because the black allele (B) is dominant over the white allele (b), so even heterozygous offspring (Bb) appear black.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Now, I will generate an image illustrating this Punnett Square.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/02\/image-1490.png\" alt=\"\" class=\"wp-image-194959\"\/><\/figure>\n\n\n\n<p>Here is an image illustrating the Punnett Square for guinea pig hair color inheritance. It visually represents the Bb x Bb cross, showing that 75% of the offspring have black hair, while 25% have white hair. Let me know if you need any modifications!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In guinea pigs, black hair color is dominant (B) and white hair color is recessive (b). What hair color are the guinea pigs offspring from the Punnett Square above?&#8221;A all blackB. all whiteC. mostly white with some blackD. mostly black with some white The Correct Answer and Explanation is : To determine the hair color [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-194958","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/194958","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=194958"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/194958\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=194958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=194958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=194958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}