FiltersDone

Question type

Essay

Multiple Choice

Short Answer

True False

Matching

Exam 14: Patterns of Inheritance

Show Answer

Share

---

All types

Filters

Study FlashcardsPractice ExamLearn

Question 1

Multiple Choice

Review LaterAdd Note

Review Later

How can you determine the genotype of a plant showing the dominant phenotype of red color?

A) The phenotype reflects the genotype,so the plant must be homozygous for the trait.
B) Cross the red plant with a white plant to see if any white plants appear.
C) Cross the red plant with other red plants to see if any white plants appear.
D) Cross the red plant with a white plant to see if any red plants appear.
E) Cross the red plant with another red plant,and then cross the F₁ population with each other to see if any white plants appear.

F) None of the above
G) C) and D)

Correct Answer

verified

Show Answer

Question 2

Multiple Choice

Review LaterAdd Note

Review Later

In the sweet pea crossing experiment by Bateson and Punnet,the F₂ generation had many more offspring with the phenotypes of purple flowers with long pollen (PL) and red flowers with round pollen (pl) than expected from independent assortment.This is because

A) in these sweet peas,there are always more PL gametes than there are pl gametes.
B) in sweet peas,the alleles for flower color and pollen shape are on the same chromosome.
C) In sweet peas,the alleles for flower color and pollen shape are next to each other on the same chromosome.
D) In sweet peas,the allele for flower color is in the nuclear genome and the allele for pollen shape is on the chloroplast genome.
E) All of these are correct.

F) A) and B)
G) A) and C)

Correct Answer

verified

Show Answer

Question 3

Multiple Choice

Review LaterAdd Note

In plants,most chloroplasts are inherited from the maternal plant because maternal gametes contribute the most __________ to the zygote.

Which of the following diseases is not caused by a mutation in a mitochondrial gene?

What quality of the traits that Mendel chose to study allowed him to establish the basic laws of inheritance?

The probability of obtaining a dominant phenotype from self-fertilization of a heterozygous individual is

A plant cell contains _____ genomes and an animal cell contains ______ genomes.

If a pink snapdragon is self-fertilized,the offspring are red,pink,or white.What type of inheritance pattern does flower color exhibit in this example?

In rabbits,spotted coat (S) is dominant to solid color (s) and black (B) is dominant to brown (b) .A true-breeding black spotted rabbit is mated to a true-breeding brown solid rabbit to produce a heterozygous F₁ generation.Two F₁ individuals are mated,and you do not see a 9:3:3:1 (black spotted: black solid: brown spotted: brown solid) ratio of offspring,but instead see that almost all offspring are a non-recombinant phenotype.This tells you that

The karyotype of a young patient shows two Barr bodies per cell.What condition might this child have?

What is a dominant allele?

Imagine that horn color in Hodags (folkloric creatures of Wisconsin) is controlled by a single gene.You cross an orange-horned Hodag with an ivory-horned Hodag and get an F₁.Numerous offspring are produced,all with pale orange horns.You then cross two F₁ individuals.What phenotypic ratio would you expect in the F₂ generation?

The genomes of mammalian mitochondria contain

Eyelash length is an inherited trait.In the human population,there is an eyelash length gene.There are two possible variants of this gene - an allele for long eyelashes (> 1cm) and an allele for short eyelashes (1 cm or less) .The allele for long eyelashes is dominant (L) and the allele for short eyelashes is recessive (l) .An individual who is heterozygous for eyelash length would produce which of the following gametes?

Which of the following statements is not part of Morgan's Theory of Independent Assortment?

In Hodags (mythical creatures of Wisconsin) ,brown fur (B) is dominant over gray fur (b) and long horns (H) are dominant over short horns (h) .Two true-breeding hodags,one with brown fur and long horns and the other with gray fur and short horns mate and produce an F₁.Two F₁ individuals are mated.What proportion of the offspring will exhibit a phenotypic combination that is different from the P generation? Assume the genes for fur color and horn length are on different chromosomes.

Imagine that horn color in Hodags (folkloric creatures of Wisconsin) is controlled by a single gene.You mate a Hodag homozygous for a bright orange horns (C^OC^O) with a Hodag homozygous for ivory horns (C^IC^I) .Numerous offspring are produced,all with pale orange horns.This pattern of inheritance of horn color can best be described as

For mechanisms of sex determination,which of the following is incorrectly paired?

Two genes that are close together on the same chromosome will cross over more frequently than two genes that are further apart.

Assume that in watermelon plants the genes for flower color (Y = yellow;y = orange flowers) and fruit shape (R = round;r = oval) are on the same chromosome.You cross two true-breeding plants,one with yellow flowers and round fruit and the other with orange flowers and oval fruit.You take one of the F₁ individuals and cross it with a plant that is homozygous recessive for both traits.You get the following in the F₂: 300 yellow flowers,round fruit;300 orange flowers,oval fruit;100 yellow flowers,oval fruit,100 orange flowers,round fruit. The recombination frequency observed in experimental crosses can be used to indicate distances between genes on a chromosome.More specifically,the map distance between two genes is equal to the frequency of recombinant offspring.What is the map distance between the genes for flower color and fruit shape?