Answer:
1) negative because it provides land for something and they need to take of trees maybe.
2) positive because that ends up in trees and they grow more
3) negative because it takes a lot of space so trees need to be taken off.
4) positive.
5) negative because the habitats of the animals are normally near trees
6) negative.
7) positive because it lets the trees grow better
8) positive because plant breath carbon dioxide.
Answer:
<h2> (1/4 * 60)
</h2><h2>The probability. that child will have extra fingers and toes are = 0.15
</h2>
Explanation:
As given; extra fingers and toes are caused by a recessive trait.
Penetrance= 60%.
Parents are heterozygous, assume Ff and Ff
F is dominant over f, and ff are homozygous recessive.
Ff crossed with Ff
Progeny are; FF, Ff, Ff and ff.
ff are homozygous recessive, as given that extra fingers and toes are caused by a recessive trait, so 1/4 will show the trait.
But according to 60% penetrance the trait will occur in = (1/4 * 60) =15% or 0.15 progeny will show the trait
.
The probability, that child will have extra fingers and toes are = 0.15
Answer:
the gene for yellow body and the gene for forked bristles
Explanation:
The two genes that will have the highest recombination frequency are the gene for yellow body and the gene for forked bristles.
<em>Gene recombination refers to the exchange of genetic materials between different gene-containing regions (loci) on the same chromosome or between two or more independent chromosomes. A linkage map shows the frequency of recombination between genes.</em>
Generally, on a linkage map, when two loci are close to one another on the same chromosome, the frequency of recombination of the genes would be less than that of two loci that are further apart. In other words, the closer the loci, the lower the frequency of gene recombination and vice versa.
<em>In this case, the distance between the genes for yellow body and tan body is 27.5 map units, yellow body and sable body is 43 map units, yellow body and forked bristles is 56.7 map units. </em><u><em>The genes for yellow and forked bristles are the furthest to each other with 66.7 map units and, as such, will have the highest recombination frequency. </em></u>
Answer:
James Watson and Francis Crick
Explanation:
Watson, Crick, Franklin, and Wilkins were four scientists that discovered the double-helix structure of DNA, which served as the foundation for modern biotechnology.
Franklin used X-ray crystallography at King's College London to acquire pictures of DNA, a notion previously proposed by Maurice Wilkins. Franklin's photographs led James Watson and Francis Crick to develop their renowned two-strand, or double-helix, model.
Answer:
Explanation:
I wasn't sure what the letters the trait was supposed to be so I used S and s.
1. male
2. has the trait
3. recessive
4. Ss
5. ss
6. Ss
