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प्रश्न
What do sex linked traits appear in males than in females?
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उत्तर
Sex linked traits are more common in males and females this is because a recessive alleles in the X chromosome and producers the trait in the male.
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संबंधित प्रश्न
Given below is the representation of amino acid composition not the relevant translated portion of β-chain of haemoglobin, related to the shape of human red blood cells
(a) Is this representation indicating a normal human or a sufferer from certain related genetic disease? Give reason in support of your answer.
(b) What difference would be noticed in the phenotype of the normal and the sufferer related to this gene?
(c) Who are likely to suffer more from the defect related to the gene represented the males, the females or both males and females equally? And why?
Why is pedigree analysis done in the study of human genetics? State the conclusions that can be drawn from it.
In human beings 45 chromosomes/single X/XO abnormality causes ______.
Write a note on Down’s syndrome.
Give an account of one Mendelian and one chromosomal disorder you have studied.
Identify the disease caused by an autosomal primary non-disjunction.
Failure of segregation of chromatids during cell division results in the gain or loss of chromosomes, this is called as ______.
“Genes contain the information that is required to express a particular trait.” Explain.
If a father and son are both defective in red-green colour vision, is it likely that the son inherited the trait from his father? Comment.
In Down's syndrome, karyotyping has shown that the disorder is associated with trisomy of chromosome number 21 usually due to ______.
