Why is the frequency of x–linked disorders greater in males compared to females?

a. the x chromosome in a male is more likely to carry a dominant disorder.

b. the y chromosome does not carry genes to counter a defective gene on an x chromosome.

c. the y chromosome is only useful in the determination of sex.

Jane is blood type a her husband is blood type b. jane is puzzled because their daughter is type o. explain how the daughter inherited a blood type that neither of her parents had explain your answer

Whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.

Disaccharides include what sugar molecules. true or false?