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Lostsunrise [7]
3 years ago
13

In raindeer black noses B are dominant over red noses b and walking domabst W over fly w. Cross 2 heterozygous reindeer ? What a

re the possible phenotypes and ratios?
Biology
1 answer:
saul85 [17]3 years ago
5 0

I got BW, Bw, bW, and bw

you should be able to get all the possible traits because both of them are heterozygous.

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Suppose that a dominant allele (P) codes for a polka-dot tail and a recessive allele (p) codes for a solid colored tail. In addi
Maru [420]
If two individual are heterozygous for both traits then there genotype will each look like this PpLl. To find the probability, you need to do a cross with both traits. Each parent has the possibility of giving the following combinations: PL, Pl, pL, pl.
 
                 PL        Pl         pL           pl
PL         PPLL     PPLl     PpLL        PpLl        
Pl          PPLl      PPll      PpLl          Ppll
pL         PpLL     PpLl      ppLL        ppLl
pl          PpLl      Ppll       ppLl          ppll

Polka dot tail/ long lashes: 9/16
Polka dot tail/ short lashes: 3/16
Solid Tail / long lashes: 3/16
solid tail/ short lashes 1/16

The answer is (C) 9:3:3:1 ratio with 9 polka dot tails and long eyelashes, 3 polka dot tails and short eyelashes, 3 solid tails and long eyelashes (there seems to be a typo in the question) and 1 short tail short eyelash
           

3 0
3 years ago
Describe 2 adaptations that allow humans to be bipedal
Soloha48 [4]
The change in foot shape making the feet wider and longer than the hands and the curvature of the spine also adapted to it
4 0
3 years ago
If one compares the base sequences of related genes from different species, one is likely to find that corresponding ________ ar
just olya [345]

Answer:

B. introns; exons

Explanation:

Related genes from different organism usually translate to proteins of indispensable functions. This means that the proteins must be similar in terms of amino acids produced. Therefore the coding region must be highly conserved. These can be found in the introns. Conversely, exons are not a part of the coding sequence and therefore not required for translation. These sequences may be less conserved.

7 0
3 years ago
Tom is having difficulty dorsiflexing and inverting his right foot. Which muscle is most likely involved in this problem
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Answer:

It should be the tibialis anterior

Explanation:

I hope this helps!

4 0
3 years ago
How does the shape of the worm change as it move
Sophie [7]
When the circular muscles contract, the earthworm stretches, becoming longer and thinner. The earthworm uses its setae to anchor the front of its body in the soil. Now the longitudinal muscles contract and the earthworm becomes shorter and wider or it bends from one side to the other, pulling the body forward.
3 0
3 years ago
Read 2 more answers
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