What Pattern of Cleavage Is Characteristic of Mammals

question 4

Multiple Choice

What pattern of cleavage is characteristic of mammals?

• A)holoblastic cleavage with eggs containing little or no yolk
• B)some yolk,and cleavage resulting in vegetal and animal poles
• C)meroblastic cleavage with eggs containing almost entirely yolk
• D)holoblastic cleavage with eggs containing very little yolk,but with the inner cell mass concentrated at one pole
• E)holoblastic cleavage with eggs containing very little yolk,but with the inner cell mass distributed uniformly

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Definitions:

Nerve Tissue

Specialized tissue that makes up the nervous system, comprising neurons and supporting cells, functioning to transmit signals between different parts of the body.

Columnar Epithelium

Type of epithelial tissue with cylindrical cells.

Kidney Tubules

Microscopic tubes in the kidneys where urine is formed through the processes of filtration, reabsorption, and secretion.

Desmosome

A type of intercellular junction that anchors cells together in tissues that are subject to considerable stretching.