Advertisements
Advertisements
Question
Explain the following term : Homozygous
Solution
Homozygous:
The condition in which a pair of homologous chromosomes carries similar alleles for a particular character.
For example -
(i) A colorblind daughter (XoXo) will have both the X chromosomes with defective alleles.
(ii) A non-roller will have rr (homozygous) genotype.
APPEARS IN
RELATED QUESTIONS
A homozygous tall plant (T) bearing red coloured (R) flowers is crossed with a homozygous dwarf (t) plant bearing white (r) flowers :-
(i) Give the genotype and phenotype of the plants of F1 generation.
(ii) Mention the possible combinations of the gametes that can be obtained from the F1 hybrid plant.
(iii) State the Mendel’s law of Independent Assortment.
(iv) Mention the phenotypes of the off springs obtained in F2 generation.
(v) What is the phenotypic ratio obtained in F2 generation?
Which one from those given below is the period for Mendel's hybridization experiments?
______ pairs of contrasting traits were studied by Mendel in pea plant.
Two pink coloured flowers on crossing resulted in 1 red, 2 pink and 1 white flower progeny. The nature of the cross will be ______.
The F1 generation has all tall, and F2 ratio 3 : 1, it proves:
How many pairs of contrasting characters in pea bad were chosen by Mendel?
Which one of the following cannot be explained on the basis of Mendel’s Law of Dominance?
In parents, mendelian factors occur in pairs, but they segregate during ______.
Purity of gametes is linked to ______.
