50% chance of blood type A
50% chance blood type B
Answer: A
Explanation:
Karyotypes can be used to screen for and confirm chromosomal abnormalities such as Down's syndrome, and there are several different types of abnormalities which may be detected.
Answer: false
Explanation:
invertebrates and vertebrates are two classes of animal.
Answer:
Plants photosynthesize <em>only in the light but respire in light and dark</em>.
Explanation:
The reactions of photosynthesis occur only during the day. This is because sunlight is used for converting water and carbon dioxide into oxygen and glucose in the presence of sunlight. The light of the sun s the energy force which drives this reaction.
However, the reactions of respiration continue at day and night. The reactions of respiration do not require light energy from the sun.