Which pair shows the chromosome numbers in human cells both before and after meiosis? O 46 and 46
O 23 and 23
O 23 and 46
O 46 and 23

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

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

Some substances but not other can cross the (blank) membrane of a cell