Answer Happy

Males are more often affected by sex-linked traits than females because Select one: O a. x chromosomes in males generally have more mutations than X chromosomes in females. O b. female hormones such as estrogen often compensate for the effects of mutations on the X chromosome. O c. males have only one copy of all the genes on the X chromosome. O d. mutations on the Y chromosome often worsen the effects of X-linked mutations. O e. male hormones such as testosterone often alter the effects of mutations on the X chromosome.
What determines the nucleotide sequence of the newly synthesized strand during DNA replication? Select one: O a. the nucleotide sequence of the template strand O b. the primase used in the reaction O c. the relative amounts of the four nucleoside triphosphates in the cell O d. the arrangement of histones in the sugar phosphate backbone O e. the particular DNA polymerase catalyzing the reaction
In a cross between the following genotypes-AaBb x AaBb - what is the chance of an offspring that is phenotypically dominant for the A gene and recessive for the B gene? Select one: O a. 3/16 O b. 1/2 O c. 3/4 O d. 9/16 e. 3/8
Which of the following represents a molecule characterized by polar covalent bonding? Select one: O a. C₂H4 O b. CH4 О с. H2 O d. O e. H₂O NaCl