Biology question and answers for November 23, 2023
- Q Pregnant women have the option of being scanned for Cystic Fibrosis risks in their unborn babies. If a mother or a father have a certain recessive gene, the baby is...
- Q Lupe grows pea plants in her garden. The pea plants have flowers that can be either purple or white, with purple color being dominant to white color. The peas produced...
- Q 2. Define each of the following terms. Additionally, provide the phenotypes and genotypes of the A (A =dom, a rec) and B (B = dom, b = rec) genes of...
- Q In humans, brown eyes (B) are dominant over blue (b). A brown-eyed man marries a blue-eyed woman and they have three children, two of whom are brown-eyed and one of...
- Q On a scratch piece of paper, use a Punnett square to complete a dihybrid cross between two parents with the following gametes:Male- SR, SR, Sr, and sr.Female- SR, SR, Sr,...
- Q From the list below choose the three missing words from the following statement: Immunology examines the ___ and ___ interactions between a host and introduced ___ molecules.a. Selfb. Atomicc. Neighboringd....
- Q Mendel accounted for the observation that traits which had disappeared in the F1 generation reappeared in the F2 generation by proposing that _____.new mutations were frequently generated in the F2...
- Q In cats, some are black, some are orange, and some are calico (fur that is both black and orange.) All calico cats are female. THis trait represents two inheritance patterns....
- Q Chytridiomycosis is a fungal disease first identified in 1998 as a cause of massive amphibian deaths.In some severely impacted populations, a few individuals have survived, perhaps because of somenatural resistance....
- Q Cystic fibrosis affects the lungs, the pancreas, the digestive system, and other organs, resulting in symptoms ranging from breathing difficulties to recurrent infections. Which of the following terms best describes...
- Q A tall plant of unknown genotype is test-crossed (meaning it is crossed with a recessive tt plant). Of the offspring, 869 are dwarf and 912 are tall. What is the...
- Q Cystic fibrosis is an autosomal recessive mutation. Mary (c/c) who has cystic fibrosis is married to Jim (C/c) who has a normal phenotype. Mary and Jim have two children, the...
- Q In fish of the species Perissodus microlepis, some individuals have mouths that open to the right and some individuals have mouths that open to the left. The direction of the...
- Q SpongeBob SquarePants recently met SpongeSusie Roundpants at a dance. SpongeBob is heterozygous for his square shape, but SpongeSusie is round. Create a Punnett square to show the possibilities that would...
- Q Incomplete Dominance - Snapdragon flower colors: Red (RR), White (R1R1), Pink (RR1).Cross the following snapdragon flower colors: Pink flower x Pink flower. How many of the offspringwould be expected to...
- Q Which of the following statements is TRUE?O Only females develop symptoms in X-linked disordersO A chromosome count of 2n + 1 is an example of polyploidyO Dominant disorders are more...
- Q A true-breeding plant with red flowers is crossed with a true-breeding plant with white flowers. Red (R) is completely dominant over white (r). What is the phenotype of the offspring?...
- Q In the cross AaBBDd x AABbDdWhat is the probability of getting AABBDD?You can use a scratch piece of paper to work out the problem, then answer the question.16/6424/644/6412/6420/648/6428/6432/64
- Q In rock roses, flowers come in three shades of pink: coral, salmon, and burgundy. If a pure-breeding coral plant is crossed with a pure-breeding burgundy plant, all the offspring are...
- Q When considering recessive alleles, these alleles are most commonly explained by:a sequence change that makes a poisonous proteina sequence change that causes a gain-of-function mutationa sequence change that causes a...
- Q You are given two true-breeding groups of gerbils. The gerbils in the first group have black fur and curly tails; the gerbils in the second group have yellow fur and...
- Q A recessive disease shows incomplete penetrance such that only 50% of individuals that arehomozygous recessive actually express the disease. If two heterozygous individuals have twochildren, what is the probability that...
- Q A gardener is crossing flowers displaying complete dominance for flower color. The purple (P) trait is dominant and the white trait is recessive (p) The gardener performs hybridization with two...
- Q In the garden pea, yellow cotyledon color is dominant to green, and inflated pod shape is dominant to the constricted form. A homozygous dominant yellow inflated plant is crossed with...
- Q Huntington's disease arises from a single mutation in a gene. The Huntington's mutation is dominant (A). Sickle Cell Anemia arises from a single mutation in a gene as well. The...
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