Zadanie 4c
The pedigree shows a rare inherited overactivity of a gland. Discuss the most likely inheritance pattern using evidence from the diagram.
- Materiał graficzny
Inheritance
Umiejętności w tym dziale
Umiejętności z tego działu sprawdzają 54 zadania wzorowane na arkuszach IB z lat 2022–2026. Dział pojawia się w 36 z 57 arkuszy w bazie.
Zadania z tego działu: 54 Otwórz w wyszukiwarce z filtrami
Zadanie 6
Proteins contribute to structure, recognition and defence. (a) Outline the general organization of a peptide. (b) Describe the four ABO blood groups and their molecular/genetic basis. (c) Explain the adaptive immune response to invading pathogens.
Zadanie 7
An unaffected couple has a child with phenylketonuria, an autosomal recessive disorder. Use P for the functional allele and p for the recessive allele. Other parts concern respiratory defence and gas exchange. (a) Describe how the disorder can be inherited in…
Zadanie 19
Consider a normal diploid human skin cell in G1, before its DNA is replicated. How many copies of a particular autosomal gene does it normally possess? A. One copy in total B. Two copies, one on each homologous chromosome C. Twenty-three copies, one per…
Zadanie 20
In a plant species, flower pigment shows incomplete dominance. A true-breeding dark-magenta plant is crossed with a true-breeding white plant. What flower phenotype is expected in the first generation? A. All flowers have an intermediate pale-magenta colour B.…
Zadanie 20
Seedling heights are summarized below. What does X represent, and what type of variable is height? A. The full range of a discrete count B. The interquartile range of a continuous measurement C. The mean of a categorical variable D. The standard deviation of a…
- Materiał graficzny
Zadanie 20
M carries an X-linked recessive haemophilia allele. N has no copy of that allele. What is the probability that the male T has haemophilia, disregarding new mutations? A. 100% B. 50% C. 0% D. 12.5%
- Materiał graficzny
Zadanie 21
A class measures the heights of students of the same age. The distribution is shown below. Which combination best explains this continuous variation? A. A single recessive allele and ABO blood group B. Effects of several genes together with differences in…
- Materiał graficzny
Zadanie 1d
Estimate the median concentration in the mild group.
- Materiał graficzny
Zadanie 1e
State what the triangle represents.
- Materiał graficzny