Biology, 08.10.2019 01:30 madeleine43
Trisomy 21, or down syndrome, occurs when there is a normal diploid chromosomal complement but one (extra) chromosome 21. while there is reduced fertility in both sexes, females have higher fertility than males. given the fact that conceptuses with 48 chromosomes (four #21 chromosomes) are not likely to survive early development, what percentage of surviving offspring would be expected to have down syndrome if both parents have down syndrome?
Answers: 2
Biology, 22.06.2019 03:00
Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.
Answers: 1
Biology, 22.06.2019 21:30
The biological classification of organisms is called taxonomy. based on your own investigation, discuss the importance of taxonomy in biological ?
Answers: 1
Biology, 22.06.2019 21:30
How do you suppose living conditions differ between the country furthest along in the demographic transition compared to the country earliest in the transition? how would living conditions in these two countries affect both birth and death rates?
Answers: 2
Trisomy 21, or down syndrome, occurs when there is a normal diploid chromosomal complement but one (...
Mathematics, 20.02.2020 06:32
Mathematics, 20.02.2020 06:32
Mathematics, 20.02.2020 06:32