Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 8, Problem 7RQ
A recessive trait will be observed in individuals that are ________ for that trait.
a. heterozygous
b. homozygous or heterozygous
c. homozygous
d. diploid
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Chapter 8 Solutions
Concepts of Biology
Ch. 8 - Figure 8.9 In pea plants, round peas (R) are...Ch. 8 - Figure 8.10 In pea plants, purple flowers (P) are...Ch. 8 - Figure 8.16 What ratio of offspring would result...Ch. 8 - Imagine that you are performing a cross involving...Ch. 8 - Imagine that you are performing a cross involving...Ch. 8 - The observable traits expressed by an organism are...Ch. 8 - A recessive trait will be observed in individuals...Ch. 8 - What are the types of gametes that can be produced...Ch. 8 - What is the reason for doing a test cross? a. to...Ch. 8 - If black and white true-breeding mice are mated...
Ch. 8 - The ABO blood groups in humans are expressed as...Ch. 8 - In a cross between a homozygous red-eyed female...Ch. 8 - When a population has a gene with four alleles...Ch. 8 - Describe one of the reasons that made the garden...Ch. 8 - Use a Punnett square to predict the offspring in a...Ch. 8 - Use a Punnett square to predict the offspring in a...Ch. 8 - Can a male be a carrier of red-green color...Ch. 8 - Could an individual with blood type O (genotype...
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- Baldness is a phenomenon where individuals lose hair as they grow older. As an X-linked recessive gene, what instances do females manifest this trait? a. heterozygous recessive b. heterozygous dominant c. homozygous recessive d. homozygous dominantarrow_forwardAn example of a trait that results from a single dominant allele is _____. A.attached earlobes B.cystic fibrosis C.more frequent in its appearance D.polydactylyarrow_forwardA trait that is present in a male child but not in either of his parents is characteristic of inheritance. a. autosomal dominant b. autosomal recessive c. X-linked recessive d. It is impossible to answer this question without more informationarrow_forward
- The flower color gene studied by Mendel affected three traits. This is an example of ________. a. pleiotropic genes b. codominant inheritance c. polygenic inheritancearrow_forwardColor blindness is inherited in a(n)_____ pattern. a. autosomal dominant c. X-linked dominant b. autosomal recessive d. X-linked recessivearrow_forwardIf a person has one gene influencing blue eyes but actually has brown eyes, blue eyes must be a __________ trait. a. dominant b. recessive c. sex-linked d. polygenicarrow_forward
- A recessive trait will be observed in individuals that are________ for that trait.a. heterozygousb. homozygous or heterozygousc. homozygousd. diploidarrow_forwardAn animal has a genotype of two uppercase letters, such as AA. What is this type of genotype called? A. Homozygous Recessive O B. Homozygous Dominant C. Heterozygous Dominant O D. Heterozygous Recessivearrow_forwardA ________ trait will be observed only in individuals that are homozygous for that trait. a - codominant b - recessive c - dominantarrow_forward
- Consanguinity is having offspring together who are blood-related. Their children have a higher risk of having a second child with an autosomal recessive condition A. Both statements are correct B. Both statements are incorrect C. Statement 1 is correct. Statement 2 is incorrect D. Statement 2 is correct. Statement 1 is incorrectarrow_forwardMany genetic disorders are inherited in a recessive manner Select one: a. False b. Truearrow_forwardShaded individuals in this pedigree express a particular trait. Based on this pedigree, what is the mode of inheritance of the trait? O A. autosomal dominant O B. autosomal recessive OC sex-linked dominant D. sex-linked recessivearrow_forward
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