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Sliva [168]
3 years ago
9

In recent molecular genetic studies, genes associated with the neurotransmitter __________ have been linked to adhd

Biology
1 answer:
Luda [366]3 years ago
4 0

In recent molecular genetic studies, genes associated with the neurotransmitter Dopamine have been linked to ADHD.

ADHD stands for Attention Deficit Hyperactivity Disorder. People with ADHD have a hard time focusing on tasks. Scientists have found that the low levels of dopamine in the brain are associated with the symptoms of ADHD. It is because the neurons in the brain have a high amount of protein called the dopamine transporters. These proteins block the dopamine from passing between the neurons. This decreases the effect of dopamine.

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The process by which isogamous organisms exchange genetic information during fertilization is called _____.
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Conjugation
The process by which isogamous organisms exchange genetic information during fertilization is called conjugation.


In process of meiosis. The hypothalamus or the master gland in most animals, including humans send signals to the ovaries and testes of the reproductive system. In response to these signals, these ovaries and testes undergoes thesex cells division which is called meiosis<span>. </span>Spermatogenesis <span>in male gametes, is the process of sex cell division among sperm cells. On the other hand, </span>oogenesis<span> is for the female gametes. These cell divisions among respective gametes produces haploid cell which only contain one pair of chromosomes, in number -23.<span> </span></span>


3 0
3 years ago
A recessive allele is usually represented by
kogti [31]

Answer:

Recessive alleles are usually represented by lowercase letters and require two copies to be expressed

Explanation:

5 0
4 years ago
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Kinases such as pyruvate kinase or hexokinase transfer?
igor_vitrenko [27]
What are you writing write full
4 0
3 years ago
In lizards, the gene for color and the gene for pattern are located on the same chromosome and exhibit recombination. The lined
Molodets [167]

Answer:

The all possible gametic haplotypes that can be made are described below.

Explanation:

According to the question, F1 progeny was produced by crossing a homozygous dominant parent with a homozygous recessive parent. As per the question, cross is to be made with a heterozygous parent, which will have solid unpatterned allele and blue colour with a homozygous recessive i.e lined, aqua lizard.

The possible haploid gametes for the heterozygous parent would be BL, bl, Bl, bL and for homozygous parent would be all bl.

7 0
3 years ago
Why did Mendel's research succeed in clarifying the features of gene segregation among offspring where others had failed?
borishaifa [10]
Because it proves the fertilization was impossible
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