PLEASE HURRY Mendel's law of segregation states that only one of the two gene copies present in
an organism is distributed to each gamete (egg or sperm cell) that it makes, and that
the distribution of the alleles is random. According to Mendel's law of segregation,
which of the following letters is missing in the Punnett square at location X if a pea
plant with the genotype Rr is crossed with a pea plant Rr

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

Thyroid-stimulating hormone stimulates the thyroid gland to secrete sex hormones. true or false