Refer to the figure showing a pedigree of a family affected by an x-linked recessive disorder. a female in generation 3 isn't a carrier of the disorder. how can this be? a. females receive an x chromosome from each parent. if a mother is a carrier of an x-linked recessive disorder, her daughters have a 50 percent chance of receiving her normal x chromosome and a 50 percent chance of receiving her mutated x chromosome. b. females receive x chromosomes from their fathers only, which are unaffected in this case. c. females don't have x chromosomes so aren't affected by gene disorders passed on the x chromosome. d. females receive an x chromosome from each parent, but in cases of recessive disorders, the mutated chromosome isn't passed on to daughters.

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.