A certain species of rotifer reproduces exclusively through parthenogenesis. A diploid female with a rare recessive allele 'a' on one of her homologous chromosomes undergoes thelytoky. Assuming no mutations, what is the probability that her offspring will express the recessive phenotype?
0
0.25
0.5
1
Related Questions
Read the following statements.1) Statement-A: During favourable conditions, Amoeba undergoes encystation by forming 3 cyst walls.2) Statement-B: Multiple fission and sporulation occurs in Amoeba under unfavourable conditions.Choose the correct option.
Both the statements are correct
Both the statements are incorrect
Only statement A is correct
Only statement B is correct
Which of the correct example of the type of regeneration out of the two major types?
Morphallaxis–regeneration of two transversely cut equal pieces of one Hydra into two small Hydras
Epimorphosis –replacement of old and dead erythrocytes by the now ones
Morphallaxis-healing of wound in the skin
Epimorphosis-regeneration of crushed and filtered out pieces of Planaria into as many new planarian
Which statement is FALSE concerning the polarity of water molecules?
It arises from the unequal sharing of electrons between oxygen and hydrogen.
It contributes to the formation of hydrogen bonds.
It allows water to dissolve many ionic compounds.
It causes ice to be less dense than liquid water.
Which form of asexual reproduction involves the development of a new organism from an outgrowth or bud due to cell division at one particular site?
Fragmentation
Binary fission
Budding
Spore formation
Which of the following is an advantage of asexual reproduction?
Genetic diversity
Adaptation to changing environments
Rapid population growth
Requires two parents
Which of the following is NOT a characteristic of asexual reproduction?
Produces genetically identical offspring
Involves the fusion of gametes
Can occur through methods like budding and fragmentation
Generally faster than sexual reproduction
All of the following are true about Mendel's law of independent assortment EXCEPT:
It occurs during metaphase I of meiosis
It explains the inheritance of two or more genes relative to one another
It produces new combinations of alleles
It applies only to genes located on the same chromosome
Water's high specific heat capacity is primarily a consequence of:
The low density of water.
The polarity of water molecules.
Hydrogen bonding between water molecules.
The weak van der Waals forces between water molecules.
Identify the INCORRECT statement regarding Mendel's experiments:
Recessive traits are always expressed in the F1 generation.
Traits are inherited as discrete units.
The F2 generation exhibits a 3:1 phenotypic ratio for a monohybrid cross.
Alleles segregate during gamete formation.
Which of the following statement is not true for a clone?
A clone inherits the age of the donor organism.
A clone is genetically identical to the donor organism.
A clone may have a different mitochondrial DNA than the donor organism.
A clone's phenotype can be influenced by environmental factors.
