Question

1.Differentiate between the following pairs:i) holoblastic and meroblastic cleavageii) Blastula and blastocyst1) Horn and antleriv) Monophyodont and polyphyodont dentitionv Microglia and macroglia​

Answer 1

Answer:

Explanation:

Holoblastic cleavage is characterized by complete cleavage that divides the whole egg into distinct and separate equal-sized blastomeres. Holoblastic cleavage takes place in animals with little or no yolk in the egg (alecithal or microlecithal) like placental mammals.

Even mammals undergo holoblastic cleavage but do not contain centrolecithal eggs, instead, contains microlecithal eggs