The genotypes of two parents are Hb^A Hb^A and Hb^A Hb^5. What are the likely phenotypes of their children?

A. 75% healthy

B. 50% may develop sickle-cell anemia

C. 25% may develop sickle-cell anemia

D. 100% healthy

What is considered to be a regulatory protein of the thin myofilaments?

Humans have what type of circulatory system? A. triple loop B. quadruple loop C. double loop D. simple loop

What are the starting ingredients of photosynthesis?

Are mutations harmful, beneficial, or neutral

What tools give scientist the best data to study ice loss near the poles? A. Satellite measurements B. Argo floats C. Air bubbles trapped in ice D. I've core samples

Where does glycolysis and fermentation take place in the cell membrane?

The Kobe habor wharfs where the center of Japanese exports to other countries. It had 200 wharfs before the earthquake. How many wharfs remained undamaged after the earthquake? A. 130 wharfts B. 3 wharfs C. 30 wharfs

How do the pollutants that cause acid rain get into the air?

Hunters kill all of the wolves in a region. The wolves mostly ate deer. Why might there be fewer deer a few years after the wolves are killed?

Normal chlorophyll development in plants requires the presenceof at least one dominant allele at gene A and at least one dominantallele at gene B. Double homozygous recessive plants (a b / ab) lack chlorophyll and are white.