X-Linked Inheritance Quiz
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Questions and Answers

What term is used to describe males for X-linked genes?

  • Diploid
  • Hemizygous (correct)
  • Heterozygous
  • Homozygous

If the gene in the text were on an autosome instead of a sex chromosome, what eye color would all the offspring have?

  • Purple-eyed
  • Blue-eyed
  • Red-eyed (correct)
  • White-eyed

In the Punnett square analysis mentioned, what eye color do all the female offspring have?

  • Blue
  • Green
  • Red (correct)
  • White

Why are all the male offspring in the Punnett square analysis hemizygous recessive for eye color?

<p>Because they received a recessive w allele from their mother. (C)</p> Signup and view all the answers

In X-linked genes, why do all the male offspring have white eyes in this scenario?

<p>As they receive their X chromosome from their mother. (C)</p> Signup and view all the answers

What can be applied to human genetics based on the principles seen in fruit flies?

<p>X-linked genetic disorders (C)</p> Signup and view all the answers

What is the genotype of a male fruit fly with white eyes?

<p>{XwY} (B)</p> Signup and view all the answers

Which parent influences the eye color of all the male offspring in X-linked genes?

<p>{XwXw} female (D)</p> Signup and view all the answers

"All of the male offspring acquire a recessive w allele from the mother and a Y chromosome from the father." How does this influence their eye color?

<p>They express white eyes due to being hemizygous recessive. (B)</p> Signup and view all the answers

What is the phenomenon of certain genes staying together during inheritance through several generations without any change or separation called?

<p>Linkage (B)</p> Signup and view all the answers

In genetics, what does linkage reduce?

<p>Variability (B)</p> Signup and view all the answers

Which type of alleles can be involved in linkage?

<p>Dominant or recessive alleles (B)</p> Signup and view all the answers

What is the ratio of a Dihybrid linked gene?

<p>3:1 (D)</p> Signup and view all the answers

According to William Bateson's Differential Multiplication Theory, after the segregation of genes during gametogenesis, which genes multiply faster than others?

<p>Linked genes (C)</p> Signup and view all the answers

Which of the following statements best describes complete linkage?

<p>Genes located on the same chromosome are inherited together due to crossing over. (A)</p> Signup and view all the answers

What determines the strength of linkage between linked genes in a chromosome?

<p>The distance between the linked genes in the chromosome. (D)</p> Signup and view all the answers

Which phase of linkage categorization involves some dominant and some recessive alleles linked together?

<p>Coupling phase (C)</p> Signup and view all the answers

What is the term for linkage that refers to genes located in autosome chromosomes?

<p>Autosomal linkage (B)</p> Signup and view all the answers

In incomplete linkage, what happens to genes located on the same chromosome?

<p>They tend to separate due to crossing over. (D)</p> Signup and view all the answers

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