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
Cell Division is itself a type of reproduction in?
Euglena
Penicillium
Rhizopus
Liver Worts
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
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
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
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
If a homozygous dominant plant (TT) is crossed with a homozygous recessive plant (tt), what percentage of the F2 generation is expected to be heterozygous (Tt)?
25%
50%
75%
100%
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.
Among the following asexual reproductive organs are (A) Zoospores (B) Gemmules in sponge (C) Bulbil (D) Rhizome of ginger (E) Offset of water hyacinth (F) Leaf buds of bryophyllum.
A, B, C, D, E, F
A, C, D, F only
B, C, E only
A, B, D, E only
