The mammalian organ through which nourishment and oxygen diffuse into a developing embryo is called
Amnion
Chorion
Umbilical cord
Oviduct
Placenta
Correct answer is E
No explanation has been provided for this answer.
The greatest contribution to genetic studies was made by
Thomas Morgan
Gregor Mendel
Charles Darwin
Robert Hooke
Correct answer is B
No explanation has been provided for this answer.
Protein
Oil
Carbohydrates
Fat
Fatty acid
Correct answer is A
No explanation has been provided for this answer.
A dwarf plant can be stimulated to grow to normal height by the application of
thyroxin
gibberellin
insulin
kinin
Correct answer is B
No explanation has been provided for this answer.
The character-producing factors in living organisms are
Chromomeres
Alleles
Chromatids
Chromosomes
Genes
Correct answer is E
No explanation has been provided for this answer.