Advertisements
Advertisements
Question
What is a dihybrid cross? How did Mendel perform this cross?
Advertisements
Solution
Dihybrid Cross: A cross between two parents taking into consideration alternative traits of two different characters. For example, a cross between a round and yellow seed-bearing plant with wrinkled and green seed-bearing plant.
APPEARS IN
RELATED QUESTIONS
Multiple Choice Question
When two individuals differing in at least one character are crossed, the process is known as:
The physical expression of a gene is called ______.
Select the period for Mendel’s hybridization experiments
Name the seven contrasting traits of Mendel.
Define Genetics.
Identify the statementls that is/are NOT the correct reason/s for Mendel's success in his hybridization experiments.
i. Each factor controlled the single trait and is located on separate chromosomes.
ii. In the pea plant, contrasting characters can be easily recognized.
iii. Mendel carefully recorded the number of plants of each type and expressed his results as ratios.
iv. Mendel performed biochemical assays for identifying the position of 'factors' on chromosome.
The process of mating between closely related individuals is ______.
Two genes ‘A’ and ‘B’ are linked. In a dihybrid cross involving these two genes, the F1 heterozygote is crossed with homozygous recessive parental type (aa bb). What would be the ratio of offspring in the next generation?
Sahil performed an experiment to study the inheritance pattern of genes. He crossed tall pea plants (TT) with short pea plants (tt) and obtained all tall plants in F1 generation.
When F1 plants were self-pollinated, a total of 800 plants were produced. How many of these would be tall, medium height or short plants? Give the genotype of F2 generation.
When two hybrids rrTt and Rrtt are gassed, the phenotype ratio of offspring should be:
