Business homework help

Hi, below Ive listed some multiple choice questions that i’m not able to figure out. Which part of meiosis is most similar to mitosis?Select one:a. Haploid cellsb. Crossing overC. Meiosis IId. Meiosis IWhich statement below best describes a polymorphism?Select one:a. A genetic variant that can cause diseaseb. A genetic variant that is usually harmlessc. A chromosomal deletiond. An abnormal gene duplicationMatch the term with the BEST definition:ESCiPSCTotipotentPluripotentIn Segmented blocksTeratomaTrophoblastTumour   The zygote  Reprogrammed somatic cell   Derived from the inner cell mass Involved in placenta formation  Endoderm Where would you find a human embryo at the cleavage stage?Select one:a. In the Trophoblastb. In the uterusc. In the Fallopian tubed. In the ovaryAll three germ layers can all give rise to what sort of cells?Select one:a. Cartilage cellsb. Neuronal cellsc. Muscle cellsd. Epithelial cellsThe image below shows expression (activation) of a Hox gene in the trunk and limbs of a mouse embryo. Expression of the gene is revealed by dark staining.PICTURE IS OF EMBRYO WITH HANDS AND FEET DYED IN BLUE.The gene is most likely to be?Select one:a. Antennapediab. Hoxb1c. Hoxc6d. Hoxa13Why might a loss of function mutation in a human HOX gene not cause a birth defect?Select one:a. The protein may still be functionalb. Functional redundancy with other HOX genesc. Humans lack the gened. The gene is active in mouse but not in humansWhich if the following could be considered a teratogen?Select one:a. iPSCb. A hormonec. A gened. A carbohydrateWhich statement below regarding teratogens is CORRECT ?Select one:a. They only retard developmentb. The time of exposure is not relevantc. They are present in the genomed. They can interact with genetics