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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

In a certain taxon of insects some have 17 chromosomes and the others have 18 chromosomes. The 17 and 18 chromosome-bearing organisms are ______. - Biology

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प्रश्न

In a certain taxon of insects some have 17 chromosomes and the others have 18 chromosomes. The 17 and 18 chromosome-bearing organisms are ______.

पर्याय

  • males and females, respectively

  • females and males, respectively

  • all males

  • all females

MCQ
रिकाम्या जागा भरा
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उत्तर

In a certain taxon of insects some have 17 chromosomes and the others have 18 chromosomes. The 17 and 18 chromosome-bearing organisms are males and females, respectively.

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पाठ 5: Principle of Inheritance and Variation - MULTIPLE CHOICE QUESTIONS [पृष्ठ ३१]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 12
पाठ 5 Principle of Inheritance and Variation
MULTIPLE CHOICE QUESTIONS | Q 13. | पृष्ठ ३१

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

What is gene pool?


Briefly mention the contribution of T. H. Morgan in genetics.


Describe the structure of chromosomes with a suitable diagram.


Distinguish between X and Y chromosomes.


Define the Homologous chromosomes


Give an account of artificial chromosomes in the transfer of genetic material.


A B B C C D E F G H I

From the above figure identify the type of mutation and explain it.


Write the salient features of the Sutton and Boveri concept.


Mention the name of man-made cereal. How it is formed?


Which of the following does NOT agree with chrotnosomal theory of inheritance?


A gene pair hides the effect of another. The phenomenon is ______.


Extranuclear inheritance occurs in ______.


Two or more independent genes present on different chromosomes which determine nearly same phenotype are called ______.


A couple has two daughters. What is the probability that the third child will also be a female?


There was a mix-up at the hospital after a fire accident in the nursery division. Which of these children belong to the parents? 


What do you mean by locus?


How do genes and chromosomes share similarity from the point of view of genetical studies?


Experimental verification of the chromosomal theory of inheritance was done by ______.


Which of the following sentences are correct?

1. The offspring exhibit only parental combinations due to incomplete linkage

2. The linked genes exhibit some crossing over in complete linkage 

3. The separation of two linked genes are possible in incomplete linkage

4. Crossing over is absent in complete linkage


Consider the following information and answer the question that follows:

  • Reshma’s mother is normal, but her father is suffering from PKU.
  • Reshma is suffering from PKU. She has two younger brothers who are identical twins; both are suffering from PKU. Reshma’s two elder sisters are normal.
  • Reshma marries Robert, who is normal. Reshma gives birth to a son named Jason who is normal. After some time, Reshma and Robert have two more children: a daughter with symptoms of PKU and a son without any symptoms of PKU.

Make a single pedigree chart using the above information to show the pattern of inheritance of phenylketonuria (PKU) in the family of Reshma.


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