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- What are the similarities and differences between tortoiseshell coat color in cats and variegated green/white leaf color in house plants?What most likely caused the variations in these finches?Explain why tortoiseshell cats are almost always female and why they have a patchy distribution of orange and black fur.
- Two brown bears have cubs in late spring. The mother bear has the phenotype for long front claws. The mother bear has the genotype (Aa), while the father has the same genotype as the mother. A) What percentage of the offspring will have long claws?a) Both parents in generation I have orange-brown fur. However in generation II, only one cub has orange-brown fur and the other two have white fur. Explain why this is so. b) Describe the possible genotype of tiger BWhy are Irish setters not black in color?
- A) A corgì was born with short fur, which is recessive to longer fur. This corgi eventually had puppies of its own with a homozygous long haired corgi. What percentage of the offspring will have long fur? 2 B) Based off the above information, what percentage of the offspring will be heterozygous?what are the parental genotypes of the orange male and the tortoiseshell female catIn crossing grey females of aquarium fish "guppies" with a variegated males in the first generation grey females and variegated males were obtained in a ratio of 1:1. The same ratio was observed in all subsequent generations. How can you explain the results?
- Why does the dark-fur trait spread so quickly in mice that are on the lava flow?Repeat this process for the following genotypic frequencies for the presence or absence of mid-digital hair by a typical 1407 class: Frequency of homozygous dominants (HH, mid-digital hair present): 0.21 Frequency of heterozygous individuals (Hh, mid-digital hair present): 0.16 Frequency of homozygous recessives (hh, no mid-digital hair): 0.63 Total No. of alleles present: _____________ Number of dominant alleles possessed by homozygous dominants: _____________ Number of recessive alleles possessed by homozygous recessives: _____________ Number of dominant alleles possessed by heterozygotes: _____________ Number of recessive alleles possessed by heterozygotes: _____________ Total number of dominant alleles in the population: _____________ Frequency of the dominant allele (H) in the population: _____________ Frequency of the recessive allele (h) in the population: _____________What are outbreeding devices?