En la espermatogénesis de un hombre se da una no disyunción de los cromosomas sexuales en la primera división de la meiosis,
esto es, que los cromosomas X e Y migren juntos hacia un mismo
polo de la célula. Admitiendo que la meiosis continúe
normalmente

a. ¿Cuál será la constitución cromosómica de los espermatozoides
formados en esa meiosis, en lo que respecta a los cromosomas
sexuales?

b. ¿Cuáles serán las posibles constituciones cromosómicas de las
criaturas engendradas por los espermatozoides producidos en esa
meiosis, en caso de fecundar óvulos normales?

c. ¿Sería posible que alguno de los descendientes de este hombre
tuviera el síndrome de Turner? Explica tu respuesta.

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).

Below are the three main organs that make up the plant body. what is the main function of the structure that is identified as b in the picture above? it anchors the plant.it produces food.it absorbs nutrients.it supports the plan