Why is it necessary to use the same restriction enzyme to cut 2 pieces of dna that are to be joined together

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes

Which of the following statements about genes and traits is true? a single trait can be controlled by multiple genes. a single gene can control a single trait. a single trait can alter multiple genes. a single gene can influence multiple traits.

Look at the inheritance patterns. what do you notice? can a single offspring inherit both chromosomes from one parent?