Question

10. To study the prepared pedigree charts of genetic traits such as rolling of tongue, widow's peak, blood groups and colour blindness.​

Answer 1

Explanation:

ए पेडिग्री चार्ट ऑफ द फ्लावर चार्ट और डायग्रामेटिक रिप्रेजेंटेशन प्रिपेयर टो एक्जीबिट द क्रेन एंड अपीयरेंस और फेनोटाइप्स ऑफ अ पर्टिकुलर गिनी और ऑर्गेनिक अलांग विद इट्स एंड सिस्टर्स फ्रॉम वन जनरेशन टू द नेक्स्ट जेनरेशन इन द पेडिग्री चार्ट मिलता रिप्रेजेंटेड बाय ए स्क्वायर एंड अ सर्कल इज द फीमेल

Answer 2

Answer:

Explanation:

pedigree chart := A pedigree chart is a flowchart or a diagrammatic representation prepared to exhibit the occurrence and appearance or phenotypes of a particular gene or organism along with its ancestors from one generation to the next generation.

In the pedigree chart, males are represented by a square and a circle represents the females.

procedure =

• Select a family with anyone of the monogenic traits like rolling of tongue, blood groups, ear lobes, widow’s peak and colour blindness.
• Ask the person exhibiting the trait as to who in his/ her family has the trait in question.
• Prepare a pedigree chart on the basis of the information collected, using appropriate symbols.
• Examine the pedigree chart carefully to find out whether the disease is autosomal recessive, autosomal dominant, X-linked dominant or recessive and Y-linked dominant or recessive.