Biology, 10.08.2019 05:10 Isabella1319
Below are three statements. classify them as examples of independent orientation, crossing over, or random fertilization.
i: the formation of a zygote from an egg and a sperm is an unpredictable event.
ii: random combinations of paternal and maternal chromosomes end up in gametes.
iii: an allele on the paternal chromosome 18 ends up on the maternal chromosome 18.
a) i: random fertilization; ii: random fertilization; iii: independent orientation
b) i: random fertilization; ii: crossing over; iii: independent orientation
c) i: independent orientation; ii: random fertilization; iii: crossing over
d) i: random fertilization; ii: independent orientation; iii: crossing over
Answers: 3
Biology, 22.06.2019 00:00
Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.
Answers: 1
Biology, 22.06.2019 08:00
Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b.organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.
Answers: 1
Biology, 22.06.2019 13:00
The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called
Answers: 1
Below are three statements. classify them as examples of independent orientation, crossing over, or...
Mathematics, 16.04.2020 03:16
History, 16.04.2020 03:16
Mathematics, 16.04.2020 03:16
Mathematics, 16.04.2020 03:16