3 The ion of an element has 3 positive charges. Mass Number of
I Neutrons is ly. What is the of electrons in the song.

92 sathe best for the question 11. most animals and plants reproduce sexually. this means that dna is passed down to new organisms from two parental organisms. which of the following is a key advantage of sexual reproduction?

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only