You think about the junk while doing the junk to answer the junk.
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Answer: The genotype for the parent organism whose genotype is unknown is Ff.
Explanation: Let (F) represent the allele for purple which is dominant over (f) and (f) represent the allele for white.
The parent organism whose genotype is unknown is heterozygous for purple colour (Ff).
A cross between Ff and ff will produce four offsprings: two of which are Ff (heterozygous for purple colour) and two are ff (white).
Ff x ff = Ff, Ff, ff and ff.
Since (F) is dominant over (f), (Ff) will manifest as purple while (ff) will manifest as white. Therefore, half of the offsprings are purple while the other half are white.
See the attached punnet square for more information
It is D because the explanations shown shows impacts of how humans are effecting the environment
Answer:
C
Explanation:
Homologous structures compare the same anatomical features in different species. C is correct because it compares the same trait (wings) in different species (dragonfly vs. bat)
seed coat protects the cotyledons and embryo from outer environment and from attack of pathogens
pollen grain has a sculptors covering with weak points(germ pores) in it through which pollen tube comes out.
A spore is generally protected by 2-3 tough resistant walls around to tied over the unfavourable conditions.