<span>The correct answer is b. will have a one-quarter chance of being a sickle-cell-free homozygote.</span>
<span>Sickle-cell disease is an autosomal recessive disease, which means that <span>if two individuals who are heterozygous for the sickle-cell disease have child, there is a 25% chance of sickle-cell disease, 25% that the child will not carry any sickle-cell alleles, and 50% that it will have the heterozygous condition (will have an allele for disease).</span></span>
Your image isn't clear so I couldn't see the proper option but lucky for you I have seen this question before so I will tell you the answer.
The answer is option D (facilitated diffusion).
Answer:
comparing and contrasting on rivers and lakes
Explanation:
rivers are a running body of water that outputs into lakes bays and oceans, lakes are a steady not running body of water which houses lots of animals and plants.