BIOLOGY CHAPTER 11 CRITICAL THINKING ANSWERS

Please reload the page. There was an error saving. Ptarmigans change their feather color when seasons change in order for them to blend into their surroundings and to hide from their predators. Therefore, the variation in the F2 generation would rarely happen since the genes in the chromosome are close to each other. This set of genotypes best fits the litter of eight puppies, which consists of six puppies with short hair and two puppies with long hair. If the allele for white wool A is dominant over the allele for black wool a , the genotype of a white ram could be a homozygous AA or a heterozygous Aa. If two genes on the same chromosome are close together, the recombination is low; hence, the crossover would rarely happen.

In winter, their feathers would turn white so they can be camouflaged with the snow. The way a gene is expressed can be affected by environmental factors such as temperature, light, food, drugs, or toxins. This trait is formed due to an interplay of both genetics and environment. When two heterozygous parents Aa are crossed, the possible genotypes of their offspring are AA, Aa, Aa, and aa. On the other hand, recombination frequency is high if the genes are distant from each other. This set of genotypes best fits the litter of eight puppies, which consists of six puppies with short hair and two puppies with long hair.

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On the other hand, recombination frequency is high if the genes are distant from each other. Therefore, the variation in the F2 generation would rarely happen since the genes in the chromosome are close to each other. This trait is formed due to an interplay of both genetics and environment. When two heterozygous parents Aa are crossed, the possible genotypes of their offspring are AA, Aa, Aa, and aa. To determine the probability of an offspring having a particular genotype, we can use a Punnett xnswers diagram.

If the allele for white wool A is dominant over the allele for black wool athe genotype of a white ram could be a homozygous AA or a heterozygous Aa.

When a heterozygous guinea pig Rr is crossed with a homozygous guinea pig aathe possible genotype of the offspring includes Rr and rr. There was an error saving.

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In this case, the two genes that bioloby usually assort independently are the ones that are far from each other. Please reload the page. During spring, they shed their feathers and grow new ones in either brown or gold color which lasts until the end of summer. This set of genotypes best fits the litter of eight puppies, which consists of six puppies with short hair and two puppies with long hair.

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biology chapter 11 critical thinking answers

If two genes on the same chromosome are close together, the recombination is low; hence, the crossover would rarely happen. Click to see explanation 2 answ.

The dominant allele for rough coat is represented by capital R and the recessive allele for smooth coat is represented by letter r. The way a gene is expressed can be affected by environmental factors such as temperature, light, food, drugs, or toxins.

biology chapter 11 critical thinking answers

Once the autumn comes, their feathers would fade to grayish brown. However, the occurrence of nine offspring with smooth coats in the answerz Rr and homozygous rr parents indicates that the recombination frequency of chromosomes in this crossover is low.

Ptarmigans change their feather color when seasons change in order for them to blend into their surroundings and to hide from their predators. In winter, their feathers would turn white so they can be camouflaged with the snow.

biology chapter 11 critical thinking answers