Topic 1.2
4. Colour vision deficiency is a recessive X-linked trait. A woman who has normal
vision and is not a carrier for vision deficiency marries a man who has colour
vision deficiency. What is the probability that they will have a child who has colour
vision deficiency? It may be useful to complete a Punnett square.
Probability of child with vision deficiency:

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land

What is used as a template during replication? a- mrna b- trna c- rrna d- dna