मराठी

Explain the Term Recessive Character. - Biology

Advertisements
Advertisements

प्रश्न

Explain the Term Recessive character.

एका वाक्यात उत्तर

उत्तर

Recessive character: The character which remains hidden in F1 generation and expressed in the second-generation in the ratio of 1:2:1.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Fundamentals of Genetics - Explain the Terms

APPEARS IN

आईसीएसई Biology [English] Class 10
पाठ 2 Fundamentals of Genetics
Explain the Terms | Q 8

संबंधित प्रश्‍न

The phenotypic ratio of incomplete dominance is ______.


A heterozygous tall plant of pea is crossed with a dwarf plant of pea.

Calculate the phenotypic ratio of the progeny.


On which plant Mendel performed his experiments?

Differentiate Between Genotype and Phenotype.


A pure tall plant (TT) is crossed with a pure dwarf plant (tt).
Draw Punnet squares to show
(1) F2 generation
(2) F2 generation.


Give Technical Term:

A virus with DNA as heredity material.


Give Technical Term:

A twin consisting of a brother and a sister were born to a lady. What is the name of such a type of twins?


Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

Mutation can be brought about artificially.


Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

Mendel experimented upon plants of Oryza sativa.


Write the functional activity of the following structure:

Genes


What is allelomorph?


A recessive factor is altered by the presence of a dominant factor.


______ type/s of gametes is/are expected to be formed by the organism with genotype AABBCC.


Alleles refer to ____________.


Identify the genotype of a round seeded tall plant which when crossed with a plant of similar genotype produces the following percentage of phenotypes:

(tall round = 56.25 %, tall wrinkled = 18.75 %, dwarf round = 18.75 %, dwarf wrinkled = 6.25 %.)


A normal visioned woman whose father is colourblind married a normal visioned man. What are the probabilities of her sons or daughters to be colourblind? Explain with the help of Punnett square.


How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?


A typical dihybrid cross is carried outbetween true breeding plant with yellowround seeds and a true breeding plant withgreen wrinkled seeds. With appropriatesymbol write the genotypes of —

  1. Homozygous dominant and recessive parents.
  2. Gametes produced by both the parents.
  3. Gametes produced by the F, hybrid. (3)

Define the following term:

Gene


Rewrite the correct form of the statement by changing the first or last word only:

The full complement of DNA of an organism is termed as genetics.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×