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Sladkaya [172]
3 years ago
14

What is vector in life sience​

Biology
1 answer:
ivolga24 [154]3 years ago
6 0

Answer: Traditionally in medicine, a vector is an organism that does not cause disease itself but which spreads infection by conveying pathogens from one host to another. Species of mosquito, for example, serve as vectors for the deadly disease Malaria. A vector is a living organism that transmits an infectious agent from an infected animal to a human or another animal. Vectors are frequently arthropods, such as mosquitoes, ticks, flies, fleas and lice. brainliest

Explanation:

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A gene for corn has two alleles, one for yellow kernels and one for white kernels. Cross pollination of yellow corn and white co
Rina8888 [55]

The question is incomplete. The complete question is:

Question: A gene for corn has two alleles, one for yellow kernels and one for white kernels. Cross pollination of yellow corn and white corn results in ears of corn that have an approximately even mix of yellow and white kernels. Which term best describes the relationship between the two alleles?

a) Incomplete dominance

b) Genetic recombination

c) Chimerism

d) Codominance

Answer:

d) codominance

Explanation:

Codominance is a pattern of inheritance when none of the alleles of a gene is able to mask the expression of the other allele of the same gene. When the two alleles are present together in a heterozygous genotype, both are expressed and the phenotype of the heterozygote is different from both the pure breeding parents. In the given example, cross-pollination of yellow corn and white corn results in the ears of corn that have an approximately even mix of yellow and white kernels. This means that the heterozygote expresses both the allele for the corn color. Therefore, it represents codominance.

3 0
3 years ago
Which is the result of an object's motion?
iren [92.7K]

Answer:

second law

Explanation:

becuz it states that force os directly proportional to the product of acceleration and mass

f=mxa

7 0
3 years ago
When blood glucose levels are difficult to control in Type II diabetes, some forms of insulin may be added to the treatment regi
Elanso [62]

Answer:

Newer premixed insulins are better at lowering hemoglobin A1c and postprandial glucose levels than are long-acting insulins

5 0
3 years ago
Explain latitudinal gradient in terms of biodiversity.
Citrus2011 [14]
Latitudinal gradients of biodiversity are biogeographic patterns that quantify the ways in which taxonomic, phylogenetic, functional, genetic, or phenetic biodiversity change with latitudinal position on the surface of the earth.
6 0
3 years ago
An action potential in an excitatory presynaptic nerve. 2. an _____ in the dendrites of the postsynaptic nerve. 3. this spreads
LUCKY_DIMON [66]
An action potential is an excitatory presynaptic nerve. An EPSP (Excitatory postsynaptic potential) takes place in the dendrites of the postsynaptic nerve. This spreads passively to the axon hillock. Depolarization of this region opens voltage-gated ionic channels. Sufficient membrane depolarization to threshold opens enough to these channels to produce an action potential.
Non myelinated axon; the currents associated with the action potential spread to the depolarized region of the axon.
In myelinated axon; the currents associated with the action potential spread to the next Node of Ranvier.
The action potential travels down the axon to the axon terminals.
6 0
3 years ago
Read 2 more answers
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