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yuradex [85]
2 years ago
8

Help me in biology ...

Biology
1 answer:
raketka [301]2 years ago
5 0
Are you in 7th grade ?? I remember doing this but all the answers were in the book. Did you not being your book home??
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In Guinea pigs, short hair is dominant and long hair is recessive. A
larisa86 [58]

Answer:

a. S represents allele for short hair while s represents allele for long hair.

b. Ss (male) × ss (female)

c. 50% Ss, 50% ss

d. 3 long hair (ss), 3 short hair (Ss)

Explanation:

This question involves a single gene coding for hair length in guinea pigs. The allele for short hair (S) is dominant over the allele for long hair (s).

a. Letter "S" will represent the allele for short hair while letter "s" will represent the allele for long hair.

b. According to this question, a heterozygous male is crossed with a long-haired female. The genotype of the male guinea pig is "Ss" while that of the female is "ss". (see attachment for the punnet square)

c. The possible genotypes of the offsprings in this cross are: Ss and ss, each carrying 50% each as they are produced in a ½ Ss: ½ ss.

d. Since 50% of the offsprings will be both short haired and long haired, If they have six babies, 3 of them will be short-haired while 3 of them will also be long-haired.

7 0
2 years ago
How does the structure of the cell membrane support its function?
mylen [45]

Answer:

Phospholipids form the basic structure of a cell membrane, called the lipid bilayer. Scattered in the lipid bilayer are cholesterol molecules, which help to keep the membrane fluid consistent. Membrane proteins are important for transporting substances across the cell membrane

7 0
2 years ago
In glycolysis, as in all the stages of cellular respiration, the transfer of electrons from electron donors to electron acceptor
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1. Oxidized
2. Reduced
3. Glucose
4. Pyruvate
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6. NADH

An acronym for understanding gain and loss of electrons is OIL RIG (Oxidation is Loss of electrons, Reduction is Gain of electrons).
8 0
3 years ago
Which best represents a simple food chain?
4vir4ik [10]
Hey there!

Here is a simple food chain:

Grass >>> Grasshopper >>> Mouse >>> Owl

Hope this helps!

~Autumly
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Secondary succession happens more often because it occurs after some kind of distribution that still leaves the soil intact (mudslide,bulldozing,shoveling,or scraping off an area)
6 0
3 years ago
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