Advertisements
Advertisements
Question
Explain the Term Heterosome.
Advertisements
Solution
Heterosome: Chromosome found in the reproductive cells and which are responsible for the sex of a child.
APPEARS IN
RELATED QUESTIONS
Give the Phenotypic and Genotypic ratio of the F2 and F2 generation.
Explain the Term Variation.
Complete the following sentence with appropriate word:
The physical expression of genes is called _________.
Complete the following sentence with appropriate word:
The dissimilar pairs of genes present in an individual are known as _______________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Genes are responsible for genetic characters.
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:
A female is responsible for the sex of the progeny.
Write the functional activity of the following structure:
Autosomes
Multiple Choice Question
When an individual has both the genes of a contrasting character, it is said to be:
Multiple choice question.
In a dihybrid cross, F2 generation offsprings show four different phenotypes while the genotypes are _______.
Multiple choice question.
A cross between an individual with an unknown genotype for a trait with recessive plant for that trait is _______.
A recessive factor is altered by the presence of a dominant factor.
In a dihybrid cross with contrasting characters, the number of different genotypes obtained in F2 generation are ______.
Using ______, the production of gametes by the parents, the formation of zygotes, the F1 and F2 plants can be understood.
The appearance of new combinations in the F2 generation of a dihybrid cross proves the law of ______.
Which one of the following genotype will yield only one type of gamete?
Match the items given in Column I with those listed in Column II. Choose the answer with correct combination of alphabets of the two columns.
| Column I | Column II |
| A. Monohybrid cross | 1. T and t |
| B. Test cross | 2. TT |
| C. Alleles | 3. TT × tt |
| D. Homozygous tall | 4. tt |
| 5. Tt × tt |
An indvidual of genotype, Aa Bb Cc Dd is used in test cross. How many different phenotypes can appear in this progeny?
