The genotype of an octopus is DD or Dd if an octopus of this species has long arms. DD genotype gene is defined as a linkage marker for an etiologic mutation at or neat the angiotensin-converting enzyme gene and has been associated with increased risk for the development of coronary artery disease. The genotype is DD or Dd.
The strength of the gravitational force between two objects depends on two factors mass and distance. The force of gravity the masses exert each other increases the force of gravity decreases.
If the distance is doubled the force of gravity is one fourth as strong as before.
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Answer:
b. the number of motor units recruited
Explanation:
Recruitment of motor units is defined as the activation of several additional motor units which results into high contractile force in a muscle. A motor unit consists of the stimulating muscle fibres and one motor neuron.
Activation of motor neuron, stimulates and contracts all the muscle fibres inherited by the motor neuron. When only one motor neuron is activated, it results into a weak but distributed contraction of the muscle. Activating more motor neurons will result in activation of more muscle fibres, and thus a stronger muscle contraction.
Hence, the correct option is b.
Answer:
A. In a heterozygous individual, the allele that determines the phenotype
Explanation:
The dominant allele completely hides the expression of the recessive allele. This occurs in cases of Autosomal dominant inheritance. Even when both dominant and recessive alleles are present in the genotype, this is the heterozygous state, only the dominant trait will be expressed. Only one dominant allele is enough to express the dominant phenotype.