#Question id: 8703
#Unit 9. Diversity of Life Forms
In a comparison of birds and mammals, having four limbs is ________.
#Question id: 19686
#Unit 13. Methods in Biology
#Question id: 4383
#Unit 3. Fundamental Processes
The mediator complex
#Question id: 4904
#Unit 8. Inheritance Biology
Which one of the following statements is INCORRECT regards cytoplasmic inheritance?
#Question id: 4742
#Unit 8. Inheritance Biology
In birds, sex is determined by a ZW chromosome scheme. Males are ZZ and females are ZW. A recessive lethal allele that causes death of the embryo is sometimes present on the Z chromosome in pigeons. What would be the sex ratio in the offspring of a cross between a male that is heterozygous for the lethal allele and a normal female?