B\u00e0i 1 (trang 157 SGK Sinh 11):<\/b>\u00a0N\u00eau m\u1ed9t s\u1ed1 nh\u00e2n t\u1ed1 b\u00ean trong \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111\u1ed9ng v\u1eadt.<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
M\u1ed9t s\u1ed1 nh\u00e2n t\u1ed1 b\u00ean trong \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n \u1edf \u0111\u1ed9ng v\u1eadt:<\/p>\n
* Y\u1ebfu t\u1ed1 di truy\u1ec1n: Quy\u1ebft \u0111\u1ecbnh m\u1ed9t ph\u1ea7n t\u1ed1c \u0111\u1ed9 v\u00e0 gi\u1edbi h\u1ea1n sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n \u1edf \u0111\u1ed9ng v\u1eadt.<\/p>\n
* C\u00e1c hoocm\u00f4n: quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn s\u1ef1 sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n b\u00ecnh th\u01b0\u1eddng c\u1ee7a c\u01a1 th\u1ec3 \u0111\u1ed9ng v\u1eadt.<\/p>\n
– Hoocm\u00f4n sinh tr\u01b0\u1edfng.<\/p>\n
– Tir\u00f4xin (\u1edf ng\u01b0\u1eddi)<\/p>\n
– \u01a0str\u00f4gen v\u00e0 testost\u00ear\u00f4n (\u1edf ng\u01b0\u1eddi)<\/p>\n
– Ec\u0111ix\u01a1n v\u00e0 juvenin (\u1edf c\u00f4n tr\u00f9ng)<\/p>\n
B\u00e0i 2 (trang 157 SGK Sinh 11):<\/b>\u00a0N\u00eau m\u1ed9t s\u1ed1 nh\u00e2n t\u1ed1 m\u00f4i tr\u01b0\u1eddng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111\u1ed9ng v\u1eadt.<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
M\u1ed9t s\u1ed1 nh\u00e2n t\u1ed1 m\u00f4i tr\u01b0\u1eddng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n \u1edf \u0111\u1ed9ng v\u1eadt:<\/p>\n
– Th\u1ee9c \u0103n: c\u00f3 \u1ea3nh h\u01b0\u1edfng m\u1ea1nh nh\u1ea5t \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111\u1ed9ng v\u1eadt v\u00e0 ng\u01b0\u1eddi. V\u00ed d\u1ee5, thi\u1ebfu pr\u00f4t\u00eain \u0111\u1ed9ng v\u1eadt ch\u1eadm l\u1edbn v\u00e0 g\u1ea7y y\u1ebfu, d\u1ec5 m\u1eafc b\u1ec7nh. Thi\u1ebfu vitamin D g\u00e2y b\u1ec7nh c\u00f2i x\u01b0\u01a1ng, ch\u1eadm l\u1edbn \u1edf \u0111\u1ed9ng v\u1eadt v\u00e0 ng\u01b0\u1eddi.<\/p>\n
– Nhi\u1ec7t \u0111\u1ed9: M\u1ed7i lo\u00e0i \u0111\u1ed9ng v\u1eadt sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n t\u1ed1t trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng th\u00edch h\u1ee3p.<\/p>\n
\u00c1nh s\u00e1ng:<\/p>\n
+ Ph\u01a1i n\u1eafng v\u00e0o m\u00f9a l\u1ea1nh gi\u00fap \u0111\u1ed9ng v\u1eadt t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3.<\/p>\n
+ Tia t\u1eed ngo\u1ea1i t\u00e1c \u0111\u1ed9ng l\u00ean da bi\u1ebfn ti\u1ec1n vitamin D th\u00e0nh vitamin D tham gia qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh x\u01b0\u01a1ng.<\/p>\n
B\u00e0i 3 (trang 157 SGK Sinh 11):<\/b>\u00a0T\u1ea1i sao v\u00e0 nh\u1eefng ng\u00e0y m\u00f9a \u0111\u00f4ng c\u1ea7n cho gia s\u00fac non \u0103n nhi\u1ec1u h\u01a1n \u0111\u1ec3 ch\u00fang c\u00f3 th\u1ec3 sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n b\u00ecnh th\u01b0\u1eddng.<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
Gia s\u00fac thu\u1ed9c nh\u00f3m \u0111\u1ed9ng v\u1eadt h\u1eb1ng nhi\u1ec7t. V\u00e0o m\u00f9a \u0111\u00f4ng khi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xu\u1ed1ng th\u1ea5p (tr\u1eddi r\u00e9t), do th\u00e2n nhi\u1ec7t cao h\u01a1n so v\u1edbi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng n\u00ean \u0111\u1ed9ng v\u1eadt m\u1ea5t r\u1ea5t nhi\u1ec1u nhi\u1ec7t v\u00e0o m\u00f4i tr\u01b0\u1eddng xung quanh. \u0110\u1ec3 b\u00f9 l\u1ea1i s\u1ed1 nhi\u1ec7t l\u01b0\u1ee3ng \u0111\u00e3 m\u1ea5t v\u00e0 duy tr\u00ec th\u00e2n nhi\u1ec7t \u1ed5n \u0111\u1ecbnh, c\u01a1 ch\u1ebf ch\u1ed1ng l\u1ea1nh \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng, qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 gi\u00fap sinh nhi\u1ec7t cho c\u01a1 th\u1ec3. V\u00ec v\u1eady n\u00ean cho gia s\u00fac(\u0111\u1eb7c bi\u1ec7t l\u00e0 gia s\u00fac non) \u0103n nhi\u1ec1u h\u01a1n \u0111\u1ec3 t\u0103ng l\u01b0\u1ee3ng ch\u1ea5t h\u1eefu c\u01a1 cho c\u01a1 th\u1ec3, t\u0103ng s\u1ee9c \u0111\u1ec1 kh\u00e1ng, ch\u1ed1ng r\u00e9t.<\/p>\n
B\u00e0i 4 (trang 157 SGK Sinh 11):<\/b>\u00a0Vi\u1ec7c \u1ea5p tr\u1ee9ng c\u1ee7a h\u1ea7u h\u1ebft c\u00e1c lo\u00e0i chim c\u00f3 t\u00e1c d\u1ee5ng g\u00ec?<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
Vi\u1ec7c \u1ea5p tr\u1ee9ng \u1edf h\u1ea7u h\u1ebft c\u00e1c lo\u00e0i chim c\u00f3 t\u00e1c d\u1ee5ng cung c\u1ea5p v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p gi\u00fap h\u1ee3p t\u1eed ph\u00e1t tri\u1ec3n b\u00ecnh th\u01b0\u1eddng.<\/p>\n
B\u00e0i 1 (trang 157 SGK Sinh 11):\u00a0N\u00eau m\u1ed9t s\u1ed1 nh\u00e2n t\u1ed1 b\u00ean trong \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111\u1ed9ng v\u1eadt. L\u1eddi gi\u1ea3i: M\u1ed9t s\u1ed1 nh\u00e2n t\u1ed1 b\u00ean trong \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n \u1edf \u0111\u1ed9ng v\u1eadt: * Y\u1ebfu t\u1ed1 di truy\u1ec1n: Quy\u1ebft \u0111\u1ecbnh m\u1ed9t ph\u1ea7n t\u1ed1c \u0111\u1ed9 v\u00e0 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1324],"tags":[1486,1485],"yoast_head":"\n