The First Cavity Formed During Sea Urchin Development Is the

question 17

Multiple Choice

The first cavity formed during sea urchin development is the

• A) blastopore.
• B) mouth.
• C) blastocoel.
• D) anus.

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Definitions:

Monohybrid Cross

This refers to a genetic cross between parents that differ in a single trait, resulting in offspring that inherit alleles for that trait from each parent.

Blood Type

The classification of blood based on the presence or absence of specific antigens on the surface of red blood cells, important in blood transfusion and organ transplantation.

Type AB

A blood type in the ABO blood group system that has both A and B antigens on the surface of its red blood cells and is considered the universal plasma donor.

Type B

typically refers to a personality trait characterized by less competitive, more relaxed behaviors as opposed to Type A personality.