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If you cross dominant genotype PV/PV male Drosophila with double recessive female and obtain F1 hybrid. Now you cross F1 male with double recessive female. - Botany

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प्रश्न

If you cross dominant genotype PV/PV male Drosophila with double recessive female and obtain F1 hybrid. Now you cross F1 male with double recessive female.

What is the possible genotype in the F2 generation?

तक्ता

उत्तर

F2 hybrids with their genotypes

  PV Pv pV Pv
PV PPVV PPVv PpVV PpVv
Pv PPVV PPVv pPvV PpVV
PV PpVV PpVv ppVV ppVv
Pv PpVv Ppvv ppVv ppvv
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पाठ 3: Chromosomal Basis of Inheritance - Evaluation [पृष्ठ ८९]

APPEARS IN

सामाचीर कलवी Botany [English] Class 12 TN Board
पाठ 3 Chromosomal Basis of Inheritance
Evaluation | Q 33 | पृष्ठ ८९
सामाचीर कलवी Biology (Botany) [English] Class 12 TN Board
पाठ 3 Chromosomal Basis of Inheritance
Evaluation | Q 14 | पृष्ठ ६६

संबंधित प्रश्‍न

A male honeybee has 16 chromosomes whereas its female has 32 chromosomes. Give one reason.


How many chromosomes do drones of honey bees possess?


State the difference between meiocyte and gamete with respect to chromosome number.


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Distinguish between X and Y chromosomes.


Define the Homologous chromosomes


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


Answer the following question.
Compare in any three ways the chromosomal theory of inheritance as proposed by Sutton and Bovery with that of experimental results on pea plant presented by Mendel.


Explain codominance in colour coat in cattle with checker board method.


The A and B genes are 10 cm apart on a chromosome. If an AB/ab heterozygote is test crossed to ab/ab, how many of each progeny class would you expect out of 100 total progeny?


Genes G S L H are located on the same chromosome. The recombination percentage is between L and G is 15%, S and L is 50%, H and S are 20%. The correct order of genes is


Write the salient features of the Sutton and Boveri concept.


When two different genes came from the same parent they tend to remain together.

Write the observed phenotypic ratio.


Telocentric chromosome differs from acrocentric chromosome in that ____________.


During cell division, spindle fibres get attached to the disc shaped structures present on the centromere are known as ______.


Extranuclear inheritance occurs in ______.


Which of the following statements indicates parallelism in genes and chromosomes?

  1. They occur in pairs.
  2. They segregate during gamete formation.
  3. They show linkage.
  4. Independent pairs segregate independently.

What do you mean by locus?


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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