Scientists researching DNA sequences crossed type Q pea plants with type Z pea plants. They observed that the resulting offspring inherited half of their DNA from type Q and half from type Z. The most likely reason for this DNA sequencing in the offspring is: A) Each offspring receives one set of chromosomes from each parent. B) Each offspring receives RNA from the egg and DNA from the sperm. C) The offspring of this cross were 50% male and 50% female. D) The offspring all had the same genotype but different phenotypes.
Biology · High School · Tue Nov 03 2020
Answered on
A) Each offspring receives one set of chromosomes from each parent.
In sexual reproduction, each parent contributes one set of chromosomes to their offspring. This means that half of an offspring's DNA comes from the mother (in plants, typically associated with the egg) and the other half from the father (in plants, typically associated with the sperm or pollen). When type Q pea plants are crossed with type Z pea plants, the offspring inherit one set of chromosomes from the Q parent and one set from the Z parent, resulting in a combination of traits from both types.