Chapter 14 Pearson Biology Test 100% Correct Solved

Chapter 14 Pearson Biology Test 100% Correct Solved What percentage of human sperm cells carry an X chromosome? - Correct Answer️️ - 50% How many chromosomes are shown in a normal human karyotype? - Correct Answer️️ -46 Which of the following statements are true: -females cannot have hemophilia -a colorblind boy's mother must carry the gene for color-blindess -a sex-linked allele cannot be dominant -a colorblind boy's father must carry the gene for color-blindess - Correct Answer️️ -a colorblind boy's mother must carry the gene for color-blindess Which of the following form(s) a Barr body: -one of the Y chromosomes in a male cell -one of the X chromosomes in a male cell -one of the X chromosomes in a female cell -both of the X chromosomes in a female cell - Correct Answer️️ -one of the X chromosomes in a female cell Which of the following pairs of genotypes result in the same phenotype for Blood Type in Humans: -IA IA and IA IB -IB IB and IB i -IBIB and IA IBSMART PDF -IB i and ii - Correct Answer️️ -IB IB and IB i Compared with the normal hemoglobin, the hemoglobin of a person with sickle cell disease is - Correct Answer️️ -less soluble so they clump together and form odd shaped cells People who are heterozygous for sickle cell disease are generally healthy because they - Correct Answer️️ -have some normal hemoglobin in their red blood cells if nondisjunction occurs during meiosis: - Correct Answer️️ -gametes may have an extra copy of a chromosome Color-blindess is more common in males than females because - Correct Answer️️ - the allele for color-blindess is recessive and located on the X chromosome If the allele for having a white forelock is dominant, family members WITHOUT a white forelock are - Correct Answer️️ -homozygous recessive Which of the following is caused by a dominant allele for a protein found in brain cells: -huntington's disease -color-blindess -cystic fibrosis -sickle-cell disease - Correct Answer️️ -huntington's disease Which of the following diseases and conditions does not appear until late