Advertisements
Advertisements
Question
A person has to perform crosses for the purpose of studying inheritance of a few traits/characters. What should be the criteria for selecting the organisms?
Solution
Criteria for selecting the organism are:
- Shorter life span
- To produce large number of progeny
- Clear differentiation of sex/trait
- Many type of hereditary variations
APPEARS IN
RELATED QUESTIONS
Dominant character masks the ______________ characters.
Select the most appropriate option
Which one of the following has the smallest number of chromosomes?
(a) Onion
(b) Mouse
(c) Monkey
(d) Ascaris
Predict the genotype and phenotype of the following cross in pea.
TTrr x ttRR
(Capital letters show dominance)
Give Technical Term:
The hereditary unit, which is responsible for inheritance.
9 : 3 : 3 : 1 ratio is due to ______
Genes which code for a pair of contrasting traits are known as ______.
Read the following and answer from given below:
According to Mendel, one gene controls the expression of one character only. The ability of a gene to have multiple phenotypic effects because it influences a number of characters are an exception. The gene has multiple phenotypic effects because its ability to control two or more characters can be seen in cotton. In cotton, a gene for the lint also influences the height of the plant, size of the ball, number of ovules, and viability of seeds.
Genes with multiple phenotypic effects are known as ______
What are the characteristic features of a true-breeding line?
Give statement of the law of dominance.
Identify the incorrect statement with reference to the gene ‘I’ that controls ABO blood groups.
