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Pavlova-9 [17]
4 years ago
8

Help me plss I need to pass this

Biology
1 answer:
rjkz [21]4 years ago
6 0

Answer:

The answer is A

Hope this helps

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You cross two fruit trees. one tree produces lemons with spiky leaves and bumpy fruit. the other produces lemons with smooth lea
Triss [41]

the alleles are as follows;

L - lemons with bumpy fruit (dominant)

l - lemons with smooth fruit (recessive)

S - smooth leaf (dominant)

s - spiky leaf (recessive)

parents

one tree - lemons with smooth leaves and smooth fruits

<span>one tree - lemons with spiky leaves and bumpy fruits </span>

if parents show recessive phenotype , this means that the genotype should be recessive homozygous - ll / ss

if parents show dominant phenotype genotype is dominant homozygous or heterozygous

<span>parents    -                 S_ ll           x          ssL_</span>

<span>f1generation-</span>

<span> bumpy fruits with smooth leaves - SsLl </span>

<span>bumpy fruits with spiky leaves - </span>ssLl

<span>since offspring are bumpy fruits it should either be Ll /LL, but one parent is ll therefore for the offspring to be Ll/ll the other parent should have homozygous LL. Then the offspring will be heterozygous for fruits</span>

<span>offspring have both spiky leaves - ss and smooth leaves Ss. for offspring to have heterozygous and homozygous both, since one parent is already homozygous, the other parent should have heterozygous alleles- Ss</span>

<span>the parents genotypes are Ssll and ssLL  </span>

<span>             </span>
3 0
3 years ago
Do predators really kill only the old and sick prey? What evidence is there for this statement?
Elis [28]
No, predators do not only kill the old and sick prey. They will go after any of the prey, including the strong ones and the children. The reason they often go after the old and sick prey is because they're easier to pick off, whether they are on their own or in a pack. Predators will go after any one of the members of their prey, but prefer the old and/or sick as it requires less energy.
5 0
3 years ago
Read 2 more answers
What would most likely happen if capillaries had thick walls and large diameters?
NNADVOKAT [17]

Answer:

(I'm sorry, I got stuck between a and b. This was the best answer I could come up with)

Explanation:

Capillaries are meant to be small so blood cells could move through them in a single file line. If they were an bigger the blood stream would clog up and most of the blood cells won't be able to give nutrients or exchange gas

3 0
3 years ago
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Omg pls help me I’m 2 hours late on it pls ASAP
djyliett [7]

Answer:

1.) True

2.)true

3 false

4 true

5 true

6 false

Explanation:

love you

3 0
3 years ago
A grow seeded purple flowered heterozygous plant (YyPp) is crossed with a green seeded, white flower plant (yypp). What is the p
vredina [299]

Question:

A <u>yellow</u> seeded, purple-flowered heterozygous plant (YyPp) is crossed with a green seeded, white-flowered plant (yypp).

(Y = yellow seed allele; y = green seed allele; P = purple flower allele; p = white flower allele)

What is the probability that an offspring of this cross produces plants with green seeds and white flowers? Assume the traits assort independently.

Answer:

The probability that an offspring of this cross produces plants with green seeds and white flower is 25% = 0.25

Explanation:

<u>Available data</u>:

  • Y = yellow seed allele; Dominant
  • y = green seed allele; Recessive
  • P = purple flower allele; Dominant
  • p = white flower allele; Recessive
  • the traits assort independently

Cross: A yellow seeded, purple-flowered heterozygous plant with a green seeded, white-flowered plant

Parentals)         YyPp         x     yypp

Gametes) YP, Yp, yP, yp       yp, yp, yp, yp

Punnett square)

                           YP         Yp         yP         yp

              yp      YyPp     Yypp     yyPp    yypp

              yp      YyPp     Yypp     yyPp    yypp

              yp      YyPp     Yypp     yyPp    yypp

              yp      YyPp     Yypp     yyPp    yypp

F1) 4/16 = 1/4 = 25% YyPp, Yellow seeds and Purple flowers

    4/16 = 1/4 = 25% Yypp, Yellow seeds and white flowers

    4/16 = 14 = 25% yyPp, green seeds and purple flowers

    4/16 = 1/4 = 25% yypp, green seeds and white flowers.

The probability that an offspring of this cross produces plants with green seeds and white flower is 25% = 0.25

5 0
3 years ago
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