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
Potatoes are vegetatively propagated from?
Tubers
Offsets
Bulbils
Rhizomes
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.
A potato tuber developing into a new plant is an example of:
Fragmentation
Spore formation
Vegetative propagation
Binary fission
Select the wrong statement:
Mitochondria are the powerhouse of the cell in all kingdoms except Monera
Cell wall is present in members of Fungi and Plantae.
Pseudopodia are locomotory and feeding structures in Sporozoans.
Mushrooms belong to Basidiomycetes.
Asexual reproduction is a method of reproduction in which participation of ……… takes place
One individual
Two individuals
Multi-individuals
Meiosis
Which of the following shows multiple fission?
Hydra
Yeast
Spirogyra
Amoeba
In which one pair, both the plants can be vegetatively propagated by leaf pieces?
Bryophyllum and kalanchoe
Chrysanthemum and Agave
Agave and kalanchoe
Asparagus and Bryophyllum
Consider the following statements and choose the correct option.
I. The genetic constitution of a plant is unaffected in vegetative propagation.
II. Rhizome in ginger serves as an organ of vegetative reproduction.
III. Totipotency of cells enables us to micropropagate plants.
Statements I and II alone are true
Statements II and III alone are true
Statements II alone is true
All the three Statements I, II and II are true
Regeneration of tail in lizards is an example of
Epimorphosis
Morphollaxis
Heteromorphosis
parthenogenesis
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
