Answer- E. All of the above are true.
Reason -
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36. In X-linked recessive inheritance, which of the following is not true? A. They appear much...
In general, the following characteristics suggest (but do not prove) specific inheritance patterns: Autosomal recessive inheritance: -affected individuals can be born to unaffected parents -if both parents are affected, all children are affected -observable effect of relatedness (consanguinity) -horizontal" inheritance: trait appears at once among several members of one generation (siblings) *** Autosomal dominant inheritance each affected individual has an affected parent -when one parent is affected, transmission to the offspring (on average) *** -two unaffected parents do not transmit...
Look carefully at the pedigrees below and: 1) indicate whether the transmission appears autosomal or sex-linked 2) indicate whether the transmission appears dominant or recessive 3) provide at least two characteristics for each that support your conclusion. In general, the following characteristics suggest (but do not prove) specific inheritance patterns: Autosomal recessive inheritance: -affected individuals can be born to unaffected parents -if both parents are affected, all children are affected -observable effect of relatedness (consanguinity) -horizontal" inheritance: trait appears at...
Draw a Punnett square for a cross between a woman who has hemophilia (X-linked recessive inheritance) & a man who is unaffected by hemophilia. Then, answer the following questions about your results. a. what percent of their offspring are likely to be affected males? b. What percent of their offspring are likely to be affected females? C. What percent of their offspring are likely to be normal (unaffected) males? d. What percent of their offspring are likely to be normal...
Name Sex-linked traits are genetic char segments of DNA found on chromosomes that Sex-Linked Traits Senetic characteristics determined by genes located on sex chromosomes. Genies are and on chromosomes that carry information for protein production and that are sponsible for the inheritance of specific traits Genes exist in alternative forms called alleics. or a trail is inherited from each parent Like traits originating from genes on autosomes (non-se chromosomes), sex-linked to omosomes), sex-linked traits are passed from parents to offspring...
7.) Haemophilia is an X-linked recessive disorder. If a male haemophiliac mates with a normal (non-haemophiliac) homozygous woman, would the progeny be affected? a. All males would be carriers. All females would be normal. b. All males would be normal. Half of the females would be carriers and half of the females would have haemophilia. c. All males would be normal. All females would be carriers. d. Half of each sex would be normal and half of each sex would...
for the following nucleotide which will be the matching complementary base ATG Because in diseases such as hemophilia only males are affected and females usually are not affected but can transmit their defective gene from the X chromosome to their progeny, such females are known to have a Carrier state Phenotype Sex-linked dominant disorder Autosomal recessive disorder
citruscollege. E. C LUJ Question 26 Icthyosis, which causes scaly skin, is an X-linked recessive trait. A woman who has icthyosis has a daughter with a normal man. What is the probability that she has the disorder? Question 27 What would be the consequence it human females did NOT have X-inactivation? Males would have lower levels of expression of all penes on the chromosome Females would have lower levels of expression of all genes on the X chromosome Males would...
10. Red green colorblindness is an X-linked recessive disease. That means that it is carried on the X chromosome, so men have just one copy of the gene while women have two. In women, both copies must be the recessive disease allele in order to show the disease phenotype, but because men only have one allele, just one recessive allele causes the disease phenotype. Matt and Kate both have normal vision, but Kate's father is colorblind. Use X for the...
NAME: 6. Red-green color deficiency is an X-linked recessive trait. A woman with normal color vision has a father who is color-deficient. The woman has a child with a man with normal color vision. Which phenotype is NOT expected as a possibility for that child? a) a color-deficient male b) a color deficient female c) a male with normal color vision d) a female with normal color vision 7. Which of the individuals in the human pedigree shown below allow...
A mutation in the Drosophila bristle gene (fb) (which is X-chromosome linked) causes a recessive forked bristle phenotype (rather than the normal type of bristle). Another mutation in Drosophila autosomal body color gene (BR) causes a recessive brown color body (rather than the normal black body). A geneticist carried out the following cross: X+ / Y ; BR/br x X+/ Xfb ; BR/br If total of 240 F1 progeny were obtained, the “expected” numbers are: normal bristle male progeny -...