Answer:
Explanation:
Organisms have different forms of circulatory systems. Humans have a closed circulatory system, while many mollusks and other invertebrates have an open system. In a closed circulatory system, blood is enclosed within blood vessels.
Answer:
D. 12cm
Explanation:
there are 8 A1, C1 and so on alleles there, this will be 8 cm and there are about 8 a2 and so on alleles, this will be 4cm.
8 + 4 = 12cm
X-linked recessive disorders are typically common in males than in females as seen in the Royal pedigree.
<h3>What are X-linked recessive disorders?</h3>
X-linked recessive disorders are disorders which occur as a result of a mutation in the X chromosome.
X-linked recessive disorders are typically common in males than in females.
Females can be carriers but males are always affected when the mutation is present.
Learn more about X-linked recessive disorders at: brainly.com/question/27084648
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Pesticide use can be very harmful beacause too much of them can cause the crops to go bad, and kill bees which help spread pollen and enhance the crops.
Chromosomes females have xx and males are xy
