1. as a bee dines on nectar, it also transfers pollen from one flower to another. pollen containing sperm is transferred to the female flower parts and fertilization of an egg soon follows. which statement best summarizes the change in chromosome number before and after fertilization? a. n + n = nb. n + n = 2nc. n + 2n = 3nd. 2n + 2n = 4n

Zoe decided to measure the hand length of each of her classmates. first she marked a line across each student's wrist and lined up a ruler from this mark to the top of the middle finger to measure the length. then she recorded the measurements in the table below. marla did this the same way for each classmate, and then zoe used this ruler to measure each straight line and record the data below. this data is invalid. what is the most likely reason why it is invalid? the ruler is marked in centimeters, but zoe recorded data in inches. the range of lengths is too wide, so zoe must have misread the ruler. marla’s complicated measuring procedure was overly confusing. marla could have been inconsistent while drawing outlines of fingers.

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.