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erastovalidia [21]
3 years ago
5

What do most echinoderms use to move​

Biology
1 answer:
seropon [69]3 years ago
5 0

When echinoderms move in a manner such as walking or crawling, they pump sea water through a series of internal body canals. The water is used to inflate some of the tube feet, causing them to expand. In many species, the tube feet are equipped with suc(k)ers that grip onto the sea floor.

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In fruit flies, the allele for white eyes is recessive to the allele for red eyes. In a generation of fruit flies, 45 males with
zlopas [31]
B should be the right answer

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Jenna is trying to construct a pedigree for the occurrence of red hair in her family. She has two sisters (one older and one you
scoray [572]

Answer: a line connecting her mother and father, a colored circle representing Jenna, and two empty circles representing her sisters

Explanation: Jenna's red hair can be determined by incomplete dominance.

Incomplete dominance is a condition where neither of the alleles responsible for a trait is dominant.

In incomplete dominance, one allele for a specific trait is not completely expressed over its paired allele. So, if an organism is heterozygous for a trait, it shows a third phenotype.

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3 years ago
The genotype of a heterozygous individual is ______, of a homozygous dominant is ______, and of a homozygous recessive individua
BlackZzzverrR [31]

The genotype of a heterozygous individual is Aa, of a homozygous dominant is AA, and of a homozygous recessive individual is aa.

<h3>What is a dominant genotype?</h3>

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In conclusion, the genotype of a heterozygous individual is Aa, of a homozygous dominant is AA, and of a homozygous recessive individual is aa.

Learn more about dominant genotypes here:

brainly.com/question/1626661

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The couple bar is cut into three pieces of unequal length all three pieces of copper would have what
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