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cluponka [151]
3 years ago
13

1. A one-eyed purple people eater is crossed with a two eyed purple people eater. All of their offspring have two eyes. A. Which

trait is dominant? B. If you use the letter E for this gene. What is the genotype of the offspring? C. Are these offspring the F1 or F2 generation? D. If you crossed the offspring with each other? How many of the new offspring would you expect to have two eyes?
Biology
1 answer:
MissTica3 years ago
5 0

Answer:

  1. The dominant trait is two-eyes
  2. The offspring genotype must be heterozygous Ee
  3. This offspring represents the F1
  4. 3/4 or 75% of the F2 generation should have two eyes.

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files

Download pdf
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Answer:

Both parents have white fur. <em>The only</em> way that this can happen is if their genotypes are both <em>homozygous (bb)</em>. Therefore, both parents pass the (b) allele to every offspring. When you combine two of these alleles, the resulting genotype is <em>(bb);</em> therefore, the resulting  offspring have white fur.

Explanation:

A homozygous trait can be described as a trait in which both the alleles for a gene are similar. A heterozygous trait can be described as a trait in which both the alleles of a gene are different. If an allele masks the effect of another allele, it is said to be dominant. the allele that gets suppressed is termed as recessive.

Hence, for a recessive trait to occur both the alleles of a gene should be homozygous recessive.

The punnet square for the above cross is shown below:

        b       b

b       bb     bb

b       bb      bb

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