What is nitrogen used for in plants? A. photosynthesis
B. respiration
C making protein
D. making glucose

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.

This is collection of data made by comparing objects in standard units. in science, the units are metric.