John is a smoker. he has at least doubled risk of which mental disorder?

1 answer:

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<span>Schizophrenia This is a mental disorder characterised by failure to understand what is real and abnormal social behaviour . Studies across 20 countries have shown a strong link between smoking and schizophrenia .</span>

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A woman who is a carrier for colour blindness (X-linked recessive) has children with a man who has normal colour vision. A. What

viva [34]

Answer:

Explanation:

The Genotype of the woman is XCbXN

The man XNY

Since the allele for the color blindness is carried on one of the X -chromosomes of the carrier mother, then the male children will be color blind or carrier deopending on the defective gene they inherited. Since they will receive the defective or normal allele from the mothers,but the female will carriers or normal because they will inherit either defective allele or normal allele from the mother,but normal X allele from the father.

Assuming the colorbind gene was inherited by One of the boys, and the girls take the defective genes

1. XNY vs XCbXN.Then the one of the boys will be colorblind and the one of girls will be carriers. XNXCb, XNXN, XCbY,XNY 50 %

2.If the two boys take the effective genes from the mothers. and none of the girls take the defective alelle

Then the two boys will be colorblind and the girls will be carrries XcbY,XcbY and XNXN XNXN.(normal girls).

The proportions that will be the females since the girls can only take the defective allele from one of the normal and defective allele from the mother. Assuming the girls take the defective allele from the mothers and take normal from the father,they will all be carriers,since the X of the father is normal.

They can not have a color blind girl.Since the father is normal It takes two colorblind X-chromosome to give a girl.

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Surgical removal of parts of the brain to determine their function relies on a technique called

Lelechka [254]

Pretty sure answer is <span>ablation</span>

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3 years ago

The number of waves that pass a certain point in a given amount of time.

VladimirAG [237]

Correct answer - Frequency.

Why? - The frequency, is the number of waves that pass a certain point in a specified amount of time.

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