Answer:
Tongue-rolling is dominant, and both parents were heterozygous
Explanation:
Tongue rolling is a type of variation in human beings. When allelic genes are not identical as in Tt, the condition is referred to as heterozygous. An individual with such a genotypic condition is referred to as a heterozygote.
Both parents had a genotype of Tt and they could roll their tongues because T is dominant over the t gene.
T t
T TT Tt
t Tt tt
TT : Tt : tt
1 : 2 : 1
In a heterozygous parent Tt, the chance of producing T gamete from both parents is each 1/2 each. Similarly the chance of forming t gamete is 1/2. Therefore, the chance of gamete T and t fusing to get genotype Tt is 1/2*1/2=1/4.
The ratios of phenotypes are 3/4 will be able to roll the tongue and 1/4 will not be able to roll the tongue.
The mode of inheritance was monohybrid inheritance since one characteristic like tongue-rolling is controlled by a single pair of hereditary factors contributed by both parents.
Because more water than solutes are reabsorbed between Bowman's capsule and the collecting duct, specific gravity rises.
<h3>What is bowman's capsule?</h3>
- The Bowman's capsule, a component of the nephron, creates a sack that resembles a cup and surrounds the glomerulus.
- The "Bowman's space," which is adjacent to the proximal convoluted tubule of the nephron and signifies the beginning of the urinary space, is enclosed by Bowman's capsule.
- The glomerulus is protected by a two-walled pouch called Bowman's capsule.
- Bowman's space is the term for the area between the capsule's walls.
- The glomerular capsule, the Malpighian capsule, and the renal corpuscular capsule are among additional names for Bowman's capsule.
- The Bowman's capsule is a portion of the human kidney's nephron.
- By permitting water molecules and tiny molecules of other substances to flow through its selectively permeable membrane, Bowman's capsule performs the ultra-filtration process.
- Thus, glomerular filtrate is formed.
Learn more about bowman's capsule here:
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B and c
Its because heavier objects have a higher gravitational force
Answer: Genetic variation within a species can result from a few different sources. Mutations, the changes in the sequences of genes in DNA, are one source of genetic variation. ... As a result, the tree-colored moths are more likely to survive, reproduce, and pass on their genes.
Explanation:
Answer:
Nucleoid
Explanation:
Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid.
