{"id":85184,"date":"2025-06-01T03:07:09","date_gmt":"2025-06-01T03:07:09","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=85184"},"modified":"2025-06-01T03:07:09","modified_gmt":"2025-06-01T03:07:09","slug":"a-child-receives-a-tall-beautiful-plant-as-a-birthday-gift-from-his-fa","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/a-child-receives-a-tall-beautiful-plant-as-a-birthday-gift-from-his-fa\/","title":{"rendered":"A child receives a tall beautiful plant as a birthday gift from his fa"},"content":{"rendered":"

A child receives a tall beautiful plant as a birthday gift from his father with a quiz. The father asked her how she would verify whether this tall plant was the progeny of both the tall parents or one tall and one short parent plant. She could verify this through<\/p>\n

[amp_mcq option1=”cross-pollination” option2=”self-pollination” option3=”tissue culture” option4=”negative propagation” correct=”option2″]<\/p>\n

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This question was previously asked in<\/div>\n
UPSC CDS-1 – 2021<\/div>\n<\/div>\n
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She could verify this through cross-pollination.<\/section>\n
To determine the genotype of a plant showing a dominant phenotype (tall), the standard method is a test cross. A test cross involves cross-pollinating the plant with a homozygous recessive plant (short). If the progeny includes any short plants, the tall parent must be heterozygous (Tt). If all progeny are tall, the tall parent is likely homozygous dominant (TT). This method allows differentiation between potential parental genotypes (Tall x Tall vs. Tall x Short leading to different progeny genotypes).<\/section>\n
Self-pollination could also provide clues (a heterozygous plant would produce some recessive offspring upon selfing), but a test cross is more definitive for confirming homozygosity vs. heterozygosity. Tissue culture is a propagation technique, and ‘negative propagation’ is not a standard biological term in this context.<\/section>\n","protected":false},"excerpt":{"rendered":"

A child receives a tall beautiful plant as a birthday gift from his father with a quiz. The father asked her how she would verify whether this tall plant was the progeny of both the tall parents or one tall and one short parent plant. She could verify this through [amp_mcq option1=”cross-pollination” option2=”self-pollination” option3=”tissue culture” … <\/p>\n

Detailed SolutionA child receives a tall beautiful plant as a birthday gift from his fa<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1087],"tags":[1110,1117,1199],"class_list":["post-85184","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-1","tag-1110","tag-biology","tag-heredity","no-featured-image-padding"],"yoast_head":"\nA child receives a tall beautiful plant as a birthday gift from his fa<\/title>\n<meta name=\"description\" content=\"She could verify this through cross-pollination. To determine the genotype of a plant showing a dominant phenotype (tall), the standard method is a test cross. A test cross involves cross-pollinating the plant with a homozygous recessive plant (short). If the progeny includes any short plants, the tall parent must be heterozygous (Tt). If all progeny are tall, the tall parent is likely homozygous dominant (TT). This method allows differentiation between potential parental genotypes (Tall x Tall vs. Tall x Short leading to different progeny genotypes).\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/a-child-receives-a-tall-beautiful-plant-as-a-birthday-gift-from-his-fa\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A child receives a tall beautiful plant as a birthday gift from his fa\" \/>\n<meta property=\"og:description\" content=\"She could verify this through cross-pollination. To determine the genotype of a plant showing a dominant phenotype (tall), the standard method is a test cross. A test cross involves cross-pollinating the plant with a homozygous recessive plant (short). If the progeny includes any short plants, the tall parent must be heterozygous (Tt). If all progeny are tall, the tall parent is likely homozygous dominant (TT). This method allows differentiation between potential parental genotypes (Tall x Tall vs. Tall x Short leading to different progeny genotypes).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/a-child-receives-a-tall-beautiful-plant-as-a-birthday-gift-from-his-fa\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T03:07:09+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"A child receives a tall beautiful plant as a birthday gift from his fa","description":"She could verify this through cross-pollination. 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To determine the genotype of a plant showing a dominant phenotype (tall), the standard method is a test cross. A test cross involves cross-pollinating the plant with a homozygous recessive plant (short). If the progeny includes any short plants, the tall parent must be heterozygous (Tt). If all progeny are tall, the tall parent is likely homozygous dominant (TT). 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