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Orlov [11]
3 years ago
6

An earthworm crawled toward a rock at 14 millimeters per second. At that velocity, how long

Biology
1 answer:
Serggg [28]3 years ago
5 0

Answer:

5.5 seconds

Explanation: You can either use a proportion or simple division for this, depending on how it is requested.

<u>Proportion</u>

14 mm/1 sec = 77 mm/x sec [cross multiply]

14x = 77 [divide 77 by 14 to isolate the x]

x = 5.5 seconds

<u>Simple Division</u>

77/14 = 5.5

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Human blood type is an example of what where both the A and B blood types can be expressed semiagenously
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Codominance is an inheritance pattern. Human blood type is an example of CODOMINANCE where both the A and B blood types can be expressed.

<h3>What is codominance?</h3>

Codominance refers to the inheritance pattern in which a phenotype expresses two alternative variants coded by two alleles inherited from each homozygous parent.

When two individuals, that are homozygous and different for a trait, are crossed they produce heterozygous individuals.

These progenies express both parental phenotypes, as it is an additive expression of their parents' genes. Both alleles are equally expressed.

The is not complete dominance in these cases.

In the case of blood, the I gene determines the blood type of a person.

→ I is <u>completely dominant </u>over the i recessive allele.

→ Allele I can be either IA and IB, which are <u>codominant</u>.

  • The person IAi expresses the A blood type ⇒ complete dominance
  • The person IBi expresses the B blood type ⇒ complete dominance
  • The person IAIB expresses the AB blood type  ⇒  codominance ⇒ both alleles are simultaneously expressed

Human blood type is an example of CODOMINANCE where both the A and B blood types can be expressed.

You can learn more about codominance at

brainly.com/question/14053639

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