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 13RQ
When a population has a gene with four alleles circulating, how many possible genotypes are there?
a.3
b.6
c. 10
d. 16
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f there are 300 diploid individuals in a population, how many alleles are in the total gene pool?
a.
1200
b.
150
c.
300
d.
600
If a Mendel's dihybrid cross between two double heterogotes (AaBb x AaBb), assuming that the dominant allele is completely dominant over the recessive allele, what should be the phenotypic ratio of the progeny?
A.
3:1
B.
9:3:3:1
C.
4:4:4:4
D.
9:3:4
which one of Mendel‘s laws states that alleles for each trait are passed on independent of alleles for any other trait?
A. law of dominance
B. law of segregation
C. law of independent assortment
D. Mendel did not have any laws
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What is the probability of obtaining an individual with the genotype bb from a cross between two individuals with the genotype Bb? a. ½ b. ¼ c. ⅛ d. 0arrow_forwardWhat does a bell-shaped curve of a graph indicate? A. Mendelian inheritance pattern B. Incomplete dominance C. Codominance D. Continuous variationarrow_forwardCystic fibrosis is a genetic disease caused by a recessive allele. Two parents without the disease have a child with the disease, indicating they are both heterozygotes. Assuming that the child did not have a mutation giving it the disease, what is the probability that a second child of the same parents would have the disease? Group of answer choices a. 1 b. 0.25 c. 0 d. 0.5arrow_forward
- For each genotype listed, what allele combinationswill occur in gametes?a. AABBCC c. AaBBCcb. AaBBcc d. AaBbCcarrow_forward. In the list of four terms below, which term is the second mostinclusive?a. Genome c. Chromosomeb. Allele d. Genearrow_forwardWhich evidence supports Mendel’s law of independent assortment? A. In a monohybrid cross, both traits appear in the offspring. B. In a monohybrid cross, only the dominant traits appear in the offspring. C. In a dihybrid cross, only the dominant traits appear in the offspring. D. In a dihybrid cross, all four traits appear in all combinations in the offspring.arrow_forward
- There are 120 pink flowers and 112 white collected as a result of the Second filial generation. What are the parental genotypes of the parents? a. Red and Pink b. Pink and Pink c. Pink and White d. Red and Whitearrow_forwardWhat do you call the two new allele combinations generated from the cross over? A. linker B. recombinant C. allele D. genearrow_forwardRed-green color blindness is a sex-linked recessive trait in humans. Two people with normal color vision have a color-blind son. What are the genotypes of the parents? a. XXC and XY b. XX and XCY c. XCXC and XY d. XXC and XCYarrow_forward
- Which is one of the seven characteristics that Mendel observed in pea plants? a. flower size b. seed texture c. leaf shape d. stem colorarrow_forwardHow many possible allele combinations can be formed in the gametes produced from parents with the genotypes RRww and RrWW, respectively? Select one: a. 2 and 1 b. 2 and 2 c. 1 and 1 d. 1 and 2arrow_forwardBased on the genotypes presented here, what would be the phenotypic ratio of the F1 generation? A. 3 hemophilia: 1 non- hemophilia b. 4 hemophilia: 0 non- hemophilia c. 1 hemophilia: 3 non hemophilia d. 2 hemophilia: 2 non- hemophiliaarrow_forward
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