Ace The Race BioSmart Publications
a. The eggs of placental mammals are quite small, with much less yolk than is found in bird eggs.
b. Cleavage in mammals is holoblastic, whereas cleavage in birds is meroblastic.
c. Birds have three extraembryonic membranes, whereas mammals have four.
d. The mammalian zygote experiences compaction at the eight- cell stage.
Check Also
Which of the following apply for a person who moves from a temperate to a tropical area to live?
a) Urine production rate will fall b) Urine production rate will rise c) During the ...
What is the other cause of Down syndrome except translocation and non-disjunction?
a) Mosaicism b) Recombination c) Duplication d) None of the above
Which mechanism is correct in increasing the plasma glucose level by glucagon:
a) It inhibits insulin secretion. b) It activates G’s in target cells to activate adenylyl ...
What is the type of non-Mendelian inheritance in which all offspring have the same phenotype as their mother?
a. Maternal effect b. Genomic imprinting c. Dosage compensation d. Extranuclear inheritance
What does a phenotype of an individual represents?
a. Gene arrangement b. Genetic linkage c. Physical appearance of the person d. All of ...