Biology, 20.04.2021 19:20 jesh0975556
In pea plants, the allele for purple flowers (P) is dominant and the allele for white flowers (p) is recessive. The allele for yellow seeds (Y) is dominant and the allele for green seeds (y) is recessive. The allele for round seeds (R) is dominant and the allele for wrinkled seeds (r) is recessive. These alleles segregate independently of each other. A plant with a PpYyRr genotype is crossed with a plant with a PpyyRr genotype. What is the probability that an offspring from this cross has at least two different recessive traits
Answers: 3
Biology, 22.06.2019 07:00
The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease
Answers: 2
Biology, 22.06.2019 11:30
Female luna moths (actias luna) attract males by emitting chemical signals that spread through the air. a male hundreds of meters away can detect these molecules and fly toward their source. the sensory organs responsible for this behavior are the comblike antennae visible in the photograph shown here. each filament of an antenna is equipped with thousands of receptor cells that detect the sex attractant. based on what you learned in this chapter, propose a hypothesis to account for the ability of the male moth to detect a specific molecule in the presence of many other molecules in the air. what predictions does your hypothesis make? design an experiment to test one of these predictions.
Answers: 1
In pea plants, the allele for purple flowers (P) is dominant and the allele for white flowers (p) is...
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