Please fill in the information below. NAME EMAIL PHONE NUMBER 1. In hemophilia Patients Platelets are absentErythrocytes are nucleatedErythrocytes are absentBlood clotting is delayed due to the lack of certain clotting factors2. Fish is invertebrates. FalseTrue3. Why are viruses considered as non-living Because they dont meet the criteria of the "7 ways of life"They act like parasitesBecause they dont have a nucleusThey are made up of cells4. There is no similarities between human DNA and DNA other of mammals such as chimpanzeesTrueFalse5. What does heterozygous meanan allele that is only expressed if there is no dominant allele presenthaving two identical alleles of the same genehaving two different alleles of the same geneone out of two or more versions of a gen6. Malthus was a biologist who first suggested that variation provided the means by which populations adapt to their environment. TrueFalse7. Having two of the same genes for a certain trait is called HomozaniousThe sameHomozygousHeterozygous8. Father's blood group is A and mother's blood group is O. What will be the not possible blood groups for child AB, OO,BAB, AB9. When alleles from each parent both appear in an offspring, it is called CoordinationCodominanceIncomplete dominanceComplete dominance10. Find the correct meanings of the definition; speciescompromising of several classescompromising of several generagroups of organisms that have many features in commonanimalia, plantae, fungi, protoctista and prokaryatae11. Find the correct meanings of the definition; genusanimalia, plantae, fungi, protoctista and prokaryataecompromising of several classescontains several species with similar characteristicscompromising of several genera12. What does allele meanhaving two identical alleles of the same geneone out of two or more versions of a genhaving two different alleles of the same genean allele that is always expressed even if there is only one copy present13. Hybrids cannot breed to produce offspring that can also breed TrueFalse14. A woman that is a carrier of colorblindness mates with a man that is colorblind. What percent chance will their offspring actually be colorblind?50%25%75%None of the above15. Bacterial resistance is an example of InheritanceEvolutionFertillisationSpeciation16. What are the first two divisions in animals? Crustasian and arthropodsVertebrates and invertebratesTrilobytes and mammalsTrod & grods17. Sex-linked traits are not passed through the x and y chromosomes. TrueFalse18. Genes for a trait that are hidden when the dominant gene is present are called Recessive geneA wimpy geneRecessitative jeansHeterozygous19. In humans, having freckles (F) is dominant over not having freckles (f). The inheritance of these traits can be studied using a Punnett square similar to the one provided. Refer to the illustration provided. The genotype represented in box 1 in the Punnett square would: Have freckles chromosomes.Have an extra freckles chromosome.Be heterozygous for freckles.Be homozygous for freckles20. Which of the following is an australian animal which is also a mix of both mammal and bird PlatterpussOstrichYellowhammerZorse21. Genes of a flower colour in Mirabilis jalapa show incomplete dominance. In a cross between red and white flowered plant, all the F, plants are pink flowered. If these plants are self pollinated, the phenotypic ratio in the F 2 generation will be3 : 11 : 2 : 11 : 19 : 3 : 3 : 122. Cystic fibrosis and sickle cell disease are examples of MonohybridsOsmoregulationPedigree analysisInherited recessive genetic disorders23. Cause of Down's syndrome is Crossing overSex linked inheritanceNondisjunction of chromosomesIinkage24. Three children of a family have blood groups A, AB and B. What could be the genotypes of their parents? IˆA i and IˆB iIˆA IˆA and i iIˆB IˆB and IˆA IˆAIˆA IˆB and i i25. Tomato plants usually have hairy stems. Hairless stems are present in tomato plants that are homozygous recessive for this trait. If the stem characteristics are determined by a single gene, what is the expected outcome of crossing two tomato plants that are heterozygous for hairy stems?100% hairless stems50% hairy stems: 50% hairless stems75% hairy stems: 25% hairless stems100% hairy stems26 out of 25Time is Up!
