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Genetics

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Genetics 5

Question 1 of 5

1

A person's expressed physical trait, such as eye colour is called their;

Select one of the following:

  • genotype

  • Correct

    phenotype

  • cytosol

  • gamete

Explanation

Question 2 of 5

1

A person that has two different alleles for a single trait is said to be _________ for that trait.

Select one of the following:

  • heterozygous

  • homozygous

  • diploid

  • haploid

Explanation

Question 3 of 5

1

If the allele for brown eye colour (B) is dominant over the allele for blue eye colour (b), which of the following genotypes would a person with blue eyes have?

Select one of the following:

  • BB

  • Bb

  • bb

  • bB

Explanation

Question 4 of 5

1

In humans, somatic cells have ____ chromosomes, while reproductive cells (gametes) have ____.

Select one of the following:

  • 23:46

  • 92:46

  • 46:23

  • 46:69

Explanation

Question 5 of 5

1

The genotype TT is best described as;

Select one of the following:

  • homozygous recessive

  • Correct

    homozygous dominant

  • heterozygous dominant

  • heterozygous recessive

Explanation

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