The images represent sexual and asexual reproduction. the offspring in ages a and c are identical to the parents while the offspring produced in images a and d will vary from the parents. what processes account for the genetic variation in images a and d?
a) pollination and fertilization
b) meiosis, mitosis, and mutation
c) production of gametes via meiosis and fertilization
d) production of sex cells via mitosis and zygote development via fertilization
Answers: 3
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.
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Biology, 22.06.2019 16:00
In sheep, the allele for belly fur (a) is dominant to the allele for no belly fur (a). a mother with the genotype aa and a father with the genotype aa produce an offspring.
Answers: 1
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