Answer:
a. Ed/eD
b. RF=0.12
Explanation:
The alleles for genes D/d and E/e are:
- D_: only on neck spikes
- dd: along back spikes
- E_: long spikes
- ee: short spikes
After testcrossing a double heterozygote (DdEe x ddee) there are 4 types of offspring, two of them much more abundant than the other two. The homozygous recessive parent can only produce <em>ed</em> gametes, so the phenotypes of the offspring depend on the gametes that the double heterozygous parent produced.
The offspring was:
- Ed/ed 79
- ed/ed 12
- ED/ed 10
- eD/ed 76
Total: 177
a) This result suggests that the genes are linked. Since recombination is a rare event, the most abundant phenotypes always come from the parental gametes, and the least abundant come from the recombinant gametes.
<u>Therefore, the genotype of the doube heterozygote parent was </u><u><em>Ed/eD</em></u><u>.</u>
b) Recombination frequency (RF) = Recombinants / Total
RF = (12+10)/177
<u>RF = 0.12</u>
<span>One of her parents had type B blood and the other type A blood.</span>
The figure shows where mitosis occurs in the cell cycle. after the interphase
Circular folds act to slow down the movement of chyme and ensure that it remains within the small intestine for maximal nutrient absorption.
<h3>What is digestion?</h3>
Digestion is the physiological process of breaking down foods to obtain energy and matter by part of the body.
The chyme is a mass of food that has already been digested by different types of digestive enzymes.
The chyme is a mass generated by secretions in the stomach organ as well as in the small intestine.
Learn more about the chyme here:
brainly.com/question/17315460
Option B, small angle, is the right answer.
The polar areas are also known as the freezing zones are the areas of Earth, are the regions of the planet that encompass its terrestrial poles (the South and North Poles), extending in the polar rings. The term solar radiation is referred to as the electromagnetic radiation released by the sun. In the Polar Zone, the radiations from the Sun hit the surface at a small angle. As a result of this, the distribution of light increases in the atmosphere of the earth.
