Answer/Explanation:
Two unaffected parents can have affected children, that means cystic fibrosis must be a recessive trait.
The two parents must each have one copy of the cystic fibrosis allele, but are themselves unaffected. By chance, the son (shaded) inherited both of these copies and is affected. The daughter either inherited one or zero copies of the cystic fibrosis allele, as she is unaffected.
Answer:
D) 3' TGTAGTGCGCGCGT 5'
Explanation:
DNA strand: 5' ACATCGACGCGCGCA 3'
compliment: 3' TGTAGCTG CGCGCGT 5'
DNA strands are antiparallel which means that if you're given a 3' to 5' strand, the complementary DNA strand will be 5' to 3'. If you are given a 5' to 3' strand, the complementary strand will be from 3' to 5'.
The other thing to remember for <u>DNA </u>complementary strands <u>only</u> is:
- A always pairs with T
- G always pairs with C
(for DNA only!!!!) This is one of Chargaff's principles.
If you're asked to find the RNA sequence, A pairs with U. not T! Thymine does not apply to RNA. G still pairs with C though.
<span>Minerals are solids.
That is because when water freezes into ice it becomes a mineral, since it's a solid at that time.
</span>
A. Mekong River
It's Southeast Asia's longest waterway, and is valuable for transportation/trade, irrigation, hydroelectricity, and fishing?
Scientist best apply Critical thinking in their work through Observation, Hypothesis and Experimentation. Some people might say Scientific method. But Observation, hypothesis and experimentation are actually the steps in a Scientific method. So it doesn't count.