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Chapter 10: Inheritance

60 Questions 60 Minutes Pass: 60%
1 Skin color, height and intelligence vary in different people due to:
2 When phenotypically tall plant is crossed with pure dwarf plant, what cross is this:
3 If a color blind person marries a homozygous normal female, what are the chances of sons to be color blind?
4 A man who is normal for color vision marries a normal heterozygous woman. Chance of their son being color blind is:
5 The gene pool of a population tends to remain stable if:
6 For a guinea pig, black coat (B) is dominant over white coat (b). If 2 guinea pigs mate and produce 75 black and 25 white offspring, the genotypes of the parents were most likely:
7 If a woman carrying the trait for color-blindness marries a color-blind man, what are the chances they will have a color-blind son?
8 Father has dark eyes and mother has blue. The possibility of the eye color of the offspring:
9 The blood type known as a universal donor is:
10 How do tall pea plants produce short pea plants?
11 Genetic drift is the change in allele frequency of a small population simply by:
12 The branch of biology which deals with heredity and ______ is known as genetics.
13 In pea plants, all of the following are examples of dominant traits except:
14 Drosophila is useful for all of the following reasons except:
15 In the Himalayan rabbit, low temperatures cause the growth of:
16 A man who is normal for color vision marries a normal heterozygous woman. What is the chance of their son being color blind?
17 A red-flowered plant crossed with a white-flowered plant produces F₁ plants with pink flowers. This demonstrates:
18 Which genotype cannot occur in offspring from a mating between blood group A and B?
19 In fruit flies, if a homozygous dominant male (wild-type wings) is crossed with a vestigial-winged female, what percentage of female progeny will have wild-type wings?
20 The total aggregate of the genes in a population is called:
21 If newborns get mixed up, how to determine parentage? Baby I: O; Baby II: B; Mrs. Ali: A; Mr. Ali: AB; Mrs. Ahmad: A; Mr. Ahmad: A.
22 Four children have different ABO blood groups. What were the parents' blood groups?
23 If 75% of offspring show the dominant trait, the parents were most likely:
24 What is the genotype of a pink-flowered plant with large petals (W=white, w=red, L=large petals)?
25 A color-blind girl (XᶜXᶜ) must have a father with which genetic makeup?
26 In sickle cell anemia, abnormal hemoglobin differs from normal hemoglobin in:
27 A woman with normal vision (father color-blind) marries a color-blind man. Probability of firstborn being color-blind?
28 Offspring of a cross between heterozygous (Aa) male and albino (aa) female would be:
29 A black male mouse (I) crossed with a black female produces 15 black and 5 white offspring. Another black male (II) crossed with the same female produces 30 black offspring. Which is true?
30 Father: XᴴY; Mother: XᴴXʰ. % of children likely to be male?
31 Possibility of a female child with hemophilia from parents XᴴY and XᴴXʰ?
32 If male blood type A marries female blood type B, which type is impossible for their child?
33 Replacing a defective allele with a functional one is called:
34 In cats, X-linked co-dominant coat color genes. Black female × ginger male produces black males and tortoise-shell females. Expected F₁ phenotypic ratio?
35 Mendel performed his heredity experiments on:
36 A change in genes is called a:
37 A test cross is performed to:
38 If two hybrid (Bb) parents for brown eyes have four children, possible eye colors:
39 Sickle-cell hemoglobin differs from normal hemoglobin in one:
40 All of the following human traits are recessive except:
41 Neurospora has been useful in illustrating:
42 The normal color of eyes is due to:
43 The gene for eye color is located on:
44 Which process during meiosis causes variation?
45 The Law of Dominance is illustrated by:
46 In Hardy-Weinberg, q² represents the frequency of:
47 Hemophilia is X-linked recessive. Saad (XʰY) marries Sara (XᴴXᴴ). Why do their children (Ahmed, Ali, Alia, Ayesha) not show symptoms?
48 If one of Alia's daughters marries a normal man, probability of a child having hemophilia?
49 Which individuals are heterozygous for hemophilia in the family tree?
50 Erythroblastosis fetalis occurs when:
51 In peas, round (R) and yellow (Y) are dominant. A doubly heterozygous plant (RrYy) is crossed with green wrinkled (rryy). What % of F₁ are recombinants?
52 The genotype of a normal human male is:
53 A pure-breeding plant (P dominant, Q recessive) × (P recessive, Q dominant) produces F₁. F₁ × double recessive yields 22 P dom/Q rec, 5 both dom, 4 both rec, 24 P rec/Q dom. Inheritance type?
54 Red-flowered (RR) × white-flowered (rr) produces all red F₁. F₁ self-pollination yields 12 red and 6 white F₂. Expected vs. obtained ratio?
55 In birds (male=ZZ, female=ZW), a recessive male is mated with a dominant female for a sex-linked trait. Probability of male offspring showing the dominant trait?
56 An ovum with nondisjunction (XX) is fertilized by a normal Y sperm. Resulting zygote?
57 A color-blind man (XᶜY) marries a normal woman (XᴴXᶜ). Probability of a color-blind daughter?
58 Mendel concluded that each organism has two hereditary factors for each trait, now called:
59 Inheritance of acquired characteristics is based on:
60 In a family tree for tasting ability (dominant), what % of Pasha and Hina's children would be non-tasters?